--- _id: '14753' abstract: - lang: eng text: "Several fixed-target experiments reported J/ψ and ϒ polarizations, as functions of Feynman x (xF) and transverse momentum (PT), in three different frames, using different combinations of beam particles, target nuclei, and collision energies. Despite the diverse and heterogeneous picture formed by these measurements, a detailed look allows us to discern qualitative physical patterns that inspire a simple empirical model. This data-driven scenario offers a good quantitative description of the J/ψ and ϒ(1S) polarizations measured in proton- and pion-nucleus collisions, in the xF 0.5 domain: more than 80 data points (not statistically independent) are well reproduced with only one free parameter. This study sets the context for future low-PT\r\n quarkonium polarization measurements in proton- and pion-nucleus collisions, such as those to be made by the AMBER experiment, and shows that such measurements provide significant constraints on the poorly-known parton distribution functions of the pion." acknowledgement: "P.F. and C.L. acknowledge support from Fundação para a Ciência e a Tecnologia, Portugal, under contract CERN/FIS-PAR/0010/2019.\r\nOpen Access funded by SCOAP3." article_number: '137871' article_processing_charge: Yes (via OA deal) article_type: original author: - first_name: Pietro full_name: Faccioli, Pietro last_name: Faccioli - first_name: Ilse full_name: Krätschmer, Ilse id: 30d4014e-7753-11eb-b44b-db6d61112e73 last_name: Krätschmer orcid: 0000-0002-5636-9259 - first_name: Carlos full_name: Lourenço, Carlos last_name: Lourenço citation: ama: 'Faccioli P, Krätschmer I, Lourenço C. Low-pT quarkonium polarization measurements: Challenges and opportunities. Physics Letters B. 2023;840. doi:10.1016/j.physletb.2023.137871' apa: 'Faccioli, P., Krätschmer, I., & Lourenço, C. (2023). Low-pT quarkonium polarization measurements: Challenges and opportunities. Physics Letters B. Elsevier. https://doi.org/10.1016/j.physletb.2023.137871' chicago: 'Faccioli, Pietro, Ilse Krätschmer, and Carlos Lourenço. “Low-PT Quarkonium Polarization Measurements: Challenges and Opportunities.” Physics Letters B. Elsevier, 2023. https://doi.org/10.1016/j.physletb.2023.137871.' ieee: 'P. Faccioli, I. Krätschmer, and C. Lourenço, “Low-pT quarkonium polarization measurements: Challenges and opportunities,” Physics Letters B, vol. 840. Elsevier, 2023.' ista: 'Faccioli P, Krätschmer I, Lourenço C. 2023. Low-pT quarkonium polarization measurements: Challenges and opportunities. Physics Letters B. 840, 137871.' mla: 'Faccioli, Pietro, et al. “Low-PT Quarkonium Polarization Measurements: Challenges and Opportunities.” Physics Letters B, vol. 840, 137871, Elsevier, 2023, doi:10.1016/j.physletb.2023.137871.' short: P. Faccioli, I. Krätschmer, C. Lourenço, Physics Letters B 840 (2023). date_created: 2024-01-08T13:09:17Z date_published: 2023-05-10T00:00:00Z date_updated: 2024-01-09T09:02:22Z day: '10' ddc: - '530' department: - _id: MaRo doi: 10.1016/j.physletb.2023.137871 file: - access_level: open_access checksum: 02dec160dbc81d95985e755869d8afbf content_type: application/pdf creator: dernst date_created: 2024-01-09T08:59:24Z date_updated: 2024-01-09T08:59:24Z file_id: '14762' file_name: 2023_PhysicsLettersB_Faccioli.pdf file_size: 855494 relation: main_file success: 1 file_date_updated: 2024-01-09T08:59:24Z has_accepted_license: '1' intvolume: ' 840' keyword: - Nuclear and High Energy Physics language: - iso: eng license: https://creativecommons.org/licenses/by/4.0/ month: '05' oa: 1 oa_version: Published Version publication: Physics Letters B publication_identifier: eissn: - 1873-2445 issn: - 0370-2693 publication_status: published publisher: Elsevier quality_controlled: '1' scopus_import: '1' status: public title: 'Low-pT quarkonium polarization measurements: Challenges and opportunities' tmp: image: /images/cc_by.png legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0) short: CC BY (4.0) type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 840 year: '2023' ... --- _id: '13277' abstract: - lang: eng text: Recent experimental advances have inspired the development of theoretical tools to describe the non-equilibrium dynamics of quantum systems. Among them an exact representation of quantum spin systems in terms of classical stochastic processes has been proposed. Here we provide first steps towards the extension of this stochastic approach to bosonic systems by considering the one-dimensional quantum quartic oscillator. We show how to exactly parameterize the time evolution of this prototypical model via the dynamics of a set of classical variables. We interpret these variables as stochastic processes, which allows us to propose a novel way to numerically simulate the time evolution of the system. We benchmark our findings by considering analytically solvable limits and providing alternative derivations of known results. acknowledgement: 'S. De Nicola acknowledges funding from the Institute of Science and Technology Austria (ISTA), and from the European Union’s Horizon 2020 research and innovation program under the Marie Skłodowska-Curie Grant Agreement No. 754411. S. De Nicola also acknowledges funding from the EPSRC Center for Doctoral Training in Cross-Disciplinary Approaches to NonEquilibrium Systems (CANES) under Grant EP/L015854/1. ' article_number: '029' article_processing_charge: No article_type: original arxiv: 1 author: - first_name: Gennaro full_name: Tucci, Gennaro last_name: Tucci - first_name: Stefano full_name: De Nicola, Stefano id: 42832B76-F248-11E8-B48F-1D18A9856A87 last_name: De Nicola orcid: 0000-0002-4842-6671 - first_name: Sascha full_name: Wald, Sascha last_name: Wald - first_name: Andrea full_name: Gambassi, Andrea last_name: Gambassi citation: ama: Tucci G, De Nicola S, Wald S, Gambassi A. Stochastic representation of the quantum quartic oscillator. SciPost Physics Core. 2023;6(2). doi:10.21468/scipostphyscore.6.2.029 apa: Tucci, G., De Nicola, S., Wald, S., & Gambassi, A. (2023). Stochastic representation of the quantum quartic oscillator. SciPost Physics Core. SciPost Foundation. https://doi.org/10.21468/scipostphyscore.6.2.029 chicago: Tucci, Gennaro, Stefano De Nicola, Sascha Wald, and Andrea Gambassi. “Stochastic Representation of the Quantum Quartic Oscillator.” SciPost Physics Core. SciPost Foundation, 2023. https://doi.org/10.21468/scipostphyscore.6.2.029. ieee: G. Tucci, S. De Nicola, S. Wald, and A. Gambassi, “Stochastic representation of the quantum quartic oscillator,” SciPost Physics Core, vol. 6, no. 2. SciPost Foundation, 2023. ista: Tucci G, De Nicola S, Wald S, Gambassi A. 2023. Stochastic representation of the quantum quartic oscillator. SciPost Physics Core. 6(2), 029. mla: Tucci, Gennaro, et al. “Stochastic Representation of the Quantum Quartic Oscillator.” SciPost Physics Core, vol. 6, no. 2, 029, SciPost Foundation, 2023, doi:10.21468/scipostphyscore.6.2.029. short: G. Tucci, S. De Nicola, S. Wald, A. Gambassi, SciPost Physics Core 6 (2023). date_created: 2023-07-24T10:47:46Z date_published: 2023-04-14T00:00:00Z date_updated: 2023-07-31T09:03:28Z day: '14' ddc: - '530' department: - _id: MaSe doi: 10.21468/scipostphyscore.6.2.029 ec_funded: 1 external_id: arxiv: - '2211.01923' file: - access_level: open_access checksum: b472bc82108747eda5d52adf9e2ac7f3 content_type: application/pdf creator: dernst date_created: 2023-07-31T09:02:27Z date_updated: 2023-07-31T09:02:27Z file_id: '13329' file_name: 2023_SciPostPhysCore_Tucci.pdf file_size: 523236 relation: main_file success: 1 file_date_updated: 2023-07-31T09:02:27Z has_accepted_license: '1' intvolume: ' 6' issue: '2' keyword: - Statistical and Nonlinear Physics - Atomic and Molecular Physics - and Optics - Nuclear and High Energy Physics - Condensed Matter Physics language: - iso: eng month: '04' oa: 1 oa_version: Published Version project: - _id: 260C2330-B435-11E9-9278-68D0E5697425 call_identifier: H2020 grant_number: '754411' name: ISTplus - Postdoctoral Fellowships publication: SciPost Physics Core publication_identifier: issn: - 2666-9366 publication_status: published publisher: SciPost Foundation quality_controlled: '1' status: public title: Stochastic representation of the quantum quartic oscillator tmp: image: /images/cc_by.png legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0) short: CC BY (4.0) type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 6 year: '2023' ... --- _id: '12491' abstract: - lang: eng text: "The extracellular matrix (ECM) is a hydrated and complex three-dimensional network consisting of proteins, polysaccharides, and water. It provides structural scaffolding for the cells embedded within it and is essential in regulating numerous physiological processes, including cell migration and proliferation, wound healing, and stem cell fate. \r\nDespite extensive study, detailed structural knowledge of ECM components in physiologically relevant conditions is still rudimentary. This is due to methodological limitations in specimen preparation protocols which are incompatible with keeping large samples, such as the ECM, in their native state for subsequent imaging. Conventional electron microscopy (EM) techniques rely on fixation, dehydration, contrasting, and sectioning. This results in the alteration of a highly hydrated environment and the potential introduction of artifacts. Other structural biology techniques, such as nuclear magnetic resonance (NMR) spectroscopy and X-ray crystallography, allow high-resolution analysis of protein structures but only work on homogenous and purified samples, hence lacking contextual information. Currently, no approach exists for the ultrastructural and structural study of extracellular components under native conditions in a physiological, 3D environment. \r\nIn this thesis, I have developed a workflow that allows for the ultrastructural analysis of the ECM in near-native conditions at molecular resolution. The developments I introduced include implementing a novel specimen preparation workflow for cell-derived matrices (CDMs) to render them compatible with ion-beam milling and subsequent high-resolution cryo-electron tomography (ET). \r\nTo this end, I have established protocols to generate CDMs grown over several weeks on EM grids that are compatible with downstream cryo-EM sample preparation and imaging techniques. Characterization of these ECMs confirmed that they contain essential ECM components such as collagen I, collagen VI, and fibronectin I in high abundance and hence represent a bona fide biologically-relevant sample. I successfully optimized vitrification of these specimens by testing various vitrification techniques and cryoprotectants. \r\nIn order to obtain high-resolution molecular insights into the ultrastructure and organization of CDMs, I established cryo-focused ion beam scanning electron microscopy (FIBSEM) on these challenging and complex specimens. I explored different approaches for the creation of thin cryo-lamellae by FIB milling and succeeded in optimizing the cryo-lift-out technique, resulting in high-quality lamellae of approximately 200 nm thickness. \r\nHigh-resolution Cryo-ET of these lamellae revealed for the first time the architecture of native CDM in the context of matrix-secreting cells. This allowed for the in situ visualization of fibrillar matrix proteins such as collagen, laying the foundation for future structural and ultrastructural characterization of these proteins in their near-native environment. \r\nIn summary, in this thesis, I present a novel workflow that combines state-of-the-art cryo-EM specimen preparation and imaging technologies to permit characterization of the ECM, an important tissue component in higher organisms. This innovative and highly versatile workflow will enable addressing far-reaching questions on ECM architecture, composition, and reciprocal ECM-cell interactions." acknowledged_ssus: - _id: EM-Fac - _id: LifeSc - _id: Bio alternative_title: - ISTA Thesis article_processing_charge: No author: - first_name: Bettina full_name: Zens, Bettina id: 45FD126C-F248-11E8-B48F-1D18A9856A87 last_name: Zens citation: ama: Zens B. Ultrastructural characterization of natively preserved extracellular matrix by cryo-electron tomography. 2023. doi:10.15479/at:ista:12491 apa: Zens, B. (2023). Ultrastructural characterization of natively preserved extracellular matrix by cryo-electron tomography. Institute of Science and Technology Austria. https://doi.org/10.15479/at:ista:12491 chicago: Zens, Bettina. “Ultrastructural Characterization of Natively Preserved Extracellular Matrix by Cryo-Electron Tomography.” Institute of Science and Technology Austria, 2023. https://doi.org/10.15479/at:ista:12491. ieee: B. Zens, “Ultrastructural characterization of natively preserved extracellular matrix by cryo-electron tomography,” Institute of Science and Technology Austria, 2023. ista: Zens B. 2023. Ultrastructural characterization of natively preserved extracellular matrix by cryo-electron tomography. Institute of Science and Technology Austria. mla: Zens, Bettina. Ultrastructural Characterization of Natively Preserved Extracellular Matrix by Cryo-Electron Tomography. Institute of Science and Technology Austria, 2023, doi:10.15479/at:ista:12491. short: B. Zens, Ultrastructural Characterization of Natively Preserved Extracellular Matrix by Cryo-Electron Tomography, Institute of Science and Technology Austria, 2023. date_created: 2023-02-02T14:50:20Z date_published: 2023-02-02T00:00:00Z date_updated: 2024-02-08T23:30:05Z day: '02' ddc: - '570' degree_awarded: PhD department: - _id: GradSch - _id: FlSc doi: 10.15479/at:ista:12491 file: - access_level: open_access checksum: 069d87f025e0799bf9e3c375664264f2 content_type: application/pdf creator: bzens date_created: 2023-02-07T13:07:38Z date_updated: 2024-02-08T23:30:04Z embargo: 2024-02-07 file_id: '12527' file_name: PhDThesis_BettinaZens_2023_final.pdf file_size: 23082464 relation: main_file - access_level: closed checksum: 8c66ed203495d6e078ed1002a866520c content_type: application/vnd.openxmlformats-officedocument.wordprocessingml.document creator: bzens date_created: 2023-02-07T13:09:05Z date_updated: 2024-02-08T23:30:04Z embargo_to: open_access file_id: '12528' file_name: PhDThesis_BettinaZens_2023_final.docx file_size: 106169509 relation: source_file file_date_updated: 2024-02-08T23:30:04Z has_accepted_license: '1' keyword: - cryo-EM - cryo-ET - FIB milling - method development - FIBSEM - extracellular matrix - ECM - cell-derived matrices - CDMs - cell culture - high pressure freezing - HPF - structural biology - tomography - collagen language: - iso: eng month: '02' oa: 1 oa_version: Published Version page: '187' project: - _id: eba3b5f6-77a9-11ec-83b8-cf0905748aa3 name: Integrated visual proteomics of reciprocal cell-extracellular matrix interactions - _id: 059B463C-7A3F-11EA-A408-12923DDC885E name: NÖ-Fonds Preis für die Jungforscherin des Jahres am IST Austria publication_identifier: isbn: - 978-3-99078-027-5 issn: - 2663-337X publication_status: published publisher: Institute of Science and Technology Austria related_material: record: - id: '8586' relation: part_of_dissertation status: public status: public supervisor: - first_name: Florian KM full_name: Schur, Florian KM id: 48AD8942-F248-11E8-B48F-1D18A9856A87 last_name: Schur orcid: 0000-0003-4790-8078 title: Ultrastructural characterization of natively preserved extracellular matrix by cryo-electron tomography type: dissertation user_id: 8b945eb4-e2f2-11eb-945a-df72226e66a9 year: '2023' ... --- _id: '11488' abstract: - lang: eng text: Hydrogen Lyα haloes (LAHs) are commonly used as a tracer of the circumgalactic medium (CGM) at high redshifts. In this work, we aim to explore the existence of Lyα haloes around individual UV-selected galaxies, rather than around Lyα emitters (LAEs), at high redshifts. Our sample was continuum-selected with F775W ≤ 27.5, and spectroscopic redshifts were assigned or constrained for all the sources thanks to the deepest (100- to 140-h) existing Very Large Telescope (VLT)/Multi-Unit Spectroscopic Explorer (MUSE) data with adaptive optics. The final sample includes 21 galaxies that are purely F775W-magnitude selected within the redshift range z ≈ 2.9 − 4.4 and within a UV magnitude range −20 ≤ M1500 ≤ −18, thus avoiding any bias toward LAEs. We tested whether galaxy’s Lyα emission is significantly more extended than the MUSE PSF-convolved continuum component. We find 17 LAHs and four non-LAHs. We report the first individual detections of extended Lyα emission around non-LAEs. The Lyα halo fraction is thus as high as 81.0−11.2+10.3%, which is close to that for LAEs at z = 3 − 6 in the literature. This implies that UV-selected galaxies generally have a large amount of hydrogen in their CGM. We derived the mean surface brightness (SB) profile for our LAHs with cosmic dimming corrections and find that Lyα emission extends to 5.4 arcsec (≃40 physical kpc at the midpoint redshift z = 3.6) above the typical 1σ SB limit. The incidence rate of surrounding gas detected in Lyα per one-dimensional line of sight per unit redshift, dn/dz, is estimated to be 0.76−0.09+0.09 for galaxies with M1500 ≤ −18 mag at z ≃ 3.7. Assuming that Lyα emission and absorption arise in the same gas, this suggests, based on abundance matching, that LAHs trace the same gas as damped Lyα systems (DLAs) and sub-DLAs. acknowledgement: 'We thank the anonymous referee for constructive comments and suggestions. We would like to express our gratitude to Edmund Christian Herenz, Leindert Boogard, Miroslava Dessauges, Moupiya Maji, Valentin Mauerhofer, Charlotte Paola Simmonds Wagemann, Masami Ouchi, Kazuhiro Shimasaku, Akio Inoue, and Rieko Momose for giving insightful comments and suggestions. H.K. is grateful to Liam McCarney for useful suggestions on English writing through the UniGE’s Tandems linguistiques. H.K. acknowledges support from Swiss Government Excellence Scholarships and Japan Society for the Promotion of Science (JSPS) Overseas Research Fellowship. H.K., F.L., and A.V. are supported by the SNF grant PP00P2 176808. A.V. and T.G. are supported by the ERC Starting Grant 757258“TRIPLE”. This work was supported by the Programme National Cosmology et Galaxies (PNCG) of CNRS/INSU with INP and IN2P3, co-funded by CEA and CNES. This work is based on observations taken by VLT, which is operated by European Southern Observatory. This research made use of Astropy, which is a community-developed core Python package for Astronomy (Astropy Collaboration 2013, 2018), and other software and packages: MARZ, MPDAF (Piqueras et al. 2019), PHOTUTILS, Numpy (Harris et al. 2020), Scipy (Virtanen et al. 2020), and matplotlib (Hunter 2007).' article_number: A44 article_processing_charge: No article_type: original arxiv: 1 author: - first_name: Haruka full_name: Kusakabe, Haruka last_name: Kusakabe - first_name: Anne full_name: Verhamme, Anne last_name: Verhamme - first_name: Jérémy full_name: Blaizot, Jérémy last_name: Blaizot - first_name: Thibault full_name: Garel, Thibault last_name: Garel - first_name: Lutz full_name: Wisotzki, Lutz last_name: Wisotzki - first_name: Floriane full_name: Leclercq, Floriane last_name: Leclercq - first_name: Roland full_name: Bacon, Roland last_name: Bacon - first_name: Joop full_name: Schaye, Joop last_name: Schaye - first_name: Sofia G. full_name: Gallego, Sofia G. last_name: Gallego - first_name: Josephine full_name: Kerutt, Josephine last_name: Kerutt - first_name: Jorryt J full_name: Matthee, Jorryt J id: 7439a258-f3c0-11ec-9501-9df22fe06720 last_name: Matthee orcid: 0000-0003-2871-127X - first_name: Michael full_name: Maseda, Michael last_name: Maseda - first_name: Themiya full_name: Nanayakkara, Themiya last_name: Nanayakkara - first_name: Roser full_name: Pelló, Roser last_name: Pelló - first_name: Johan full_name: Richard, Johan last_name: Richard - first_name: Laurence full_name: Tresse, Laurence last_name: Tresse - first_name: Tanya full_name: Urrutia, Tanya last_name: Urrutia - first_name: Eloïse full_name: Vitte, Eloïse last_name: Vitte citation: ama: 'Kusakabe H, Verhamme A, Blaizot J, et al. The MUSE eXtremely Deep Field: Individual detections of Lyα haloes around rest-frame UV-selected galaxies at z ≃ 2.9–4.4. Astronomy & Astrophysics. 2022;660. doi:10.1051/0004-6361/202142302' apa: 'Kusakabe, H., Verhamme, A., Blaizot, J., Garel, T., Wisotzki, L., Leclercq, F., … Vitte, E. (2022). The MUSE eXtremely Deep Field: Individual detections of Lyα haloes around rest-frame UV-selected galaxies at z ≃ 2.9–4.4. Astronomy & Astrophysics. EDP Sciences. https://doi.org/10.1051/0004-6361/202142302' chicago: 'Kusakabe, Haruka, Anne Verhamme, Jérémy Blaizot, Thibault Garel, Lutz Wisotzki, Floriane Leclercq, Roland Bacon, et al. “The MUSE EXtremely Deep Field: Individual Detections of Lyα Haloes around Rest-Frame UV-Selected Galaxies at z ≃ 2.9–4.4.” Astronomy & Astrophysics. EDP Sciences, 2022. https://doi.org/10.1051/0004-6361/202142302.' ieee: 'H. Kusakabe et al., “The MUSE eXtremely Deep Field: Individual detections of Lyα haloes around rest-frame UV-selected galaxies at z ≃ 2.9–4.4,” Astronomy & Astrophysics, vol. 660. EDP Sciences, 2022.' ista: 'Kusakabe H, Verhamme A, Blaizot J, Garel T, Wisotzki L, Leclercq F, Bacon R, Schaye J, Gallego SG, Kerutt J, Matthee JJ, Maseda M, Nanayakkara T, Pelló R, Richard J, Tresse L, Urrutia T, Vitte E. 2022. The MUSE eXtremely Deep Field: Individual detections of Lyα haloes around rest-frame UV-selected galaxies at z ≃ 2.9–4.4. Astronomy & Astrophysics. 660, A44.' mla: 'Kusakabe, Haruka, et al. “The MUSE EXtremely Deep Field: Individual Detections of Lyα Haloes around Rest-Frame UV-Selected Galaxies at z ≃ 2.9–4.4.” Astronomy & Astrophysics, vol. 660, A44, EDP Sciences, 2022, doi:10.1051/0004-6361/202142302.' short: H. Kusakabe, A. Verhamme, J. Blaizot, T. Garel, L. Wisotzki, F. Leclercq, R. Bacon, J. Schaye, S.G. Gallego, J. Kerutt, J.J. Matthee, M. Maseda, T. Nanayakkara, R. Pelló, J. Richard, L. Tresse, T. Urrutia, E. Vitte, Astronomy & Astrophysics 660 (2022). date_created: 2022-07-05T14:27:26Z date_published: 2022-04-07T00:00:00Z date_updated: 2022-07-19T09:33:24Z day: '07' doi: 10.1051/0004-6361/202142302 extern: '1' external_id: arxiv: - '2201.07257' intvolume: ' 660' keyword: - Space and Planetary Science - Astronomy and Astrophysics - 'galaxies: high-redshift / galaxies: formation / galaxies: evolution / cosmology: observations' language: - iso: eng main_file_link: - open_access: '1' url: https://arxiv.org/abs/2201.07257 month: '04' oa: 1 oa_version: Published Version publication: Astronomy & Astrophysics publication_identifier: eissn: - 1432-0746 issn: - 0004-6361 publication_status: published publisher: EDP Sciences quality_controlled: '1' scopus_import: '1' status: public title: 'The MUSE eXtremely Deep Field: Individual detections of Lyα haloes around rest-frame UV-selected galaxies at z ≃ 2.9–4.4' type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 660 year: '2022' ... --- _id: '11490' abstract: - lang: eng text: Directly characterising the first generations of stars in distant galaxies is a key quest of observational cosmology. We present a case study of ID53 at z = 4.77, the UV-brightest (but L⋆) star-forming galaxy at z > 3 in the MUSE eXtremely Deep Field with a mass of ≈109 M⊙. In addition to very strong Lyman-α (Lyα) emission, we clearly detect the (stellar) continuum and an N V P Cygni feature, interstellar absorption, fine-structure emission and nebular C IV emission lines in the 140 h spectrum. Continuum emission from two spatially resolved components in Hubble Space Telescope data are blended in the MUSE data, but we show that the nebular C IV emission originates from a subcomponent of the galaxy. The UV spectrum can be fit with recent BPASS stellar population models combined with single-burst or continuous star formation histories (SFHs), a standard initial mass function, and an attenuation law. Models with a young age and low metallicity (log10(age/yr) = 6.5–7.6 and [Z/H] = −2.15 to −1.15) are preferred, but the details depend on the assumed SFH. The intrinsic Hα luminosity of the best-fit models is an order of magnitude higher than the Hα luminosity inferred from Spitzer/IRAC data, which either suggests a high escape fraction of ionising photons, a high relative attenuation of nebular to stellar dust, or a complex SFH. The metallicity appears lower than the metallicity in more massive galaxies at z = 3 − 5, consistent with the scenario according to which younger galaxies have lower metallicities. This chemical immaturity likely facilitates Lyα escape, explaining why the Lyα equivalent width is anti-correlated with stellar metallicity. Finally, we stress that uncertainties in SFHs impose a challenge for future inferences of the stellar metallicity of young galaxies. This highlights the need for joint (spatially resolved) analyses of stellar spectra and photo-ionisation models. acknowledgement: We thank the referee for thoughtful and constructive comments that have improved the quality of this manuscript. Based on observations collected at the European Southern Observatory under ESO programme 1101.A-0127. This work made use of v2.2.1 of the Binary Population and Spectral Synthesis (BPASS) models as described in Eldridge et al. (2017) and Stanway & Eldridge (2018). A.F. acknowledges the support from grant PRIN MIUR2017-20173ML3WW_001. T.N. acknowledges support from Australian Research Council Laureate Fellowship FL180100060. article_number: A10 article_processing_charge: No article_type: original arxiv: 1 author: - first_name: Jorryt J full_name: Matthee, Jorryt J id: 7439a258-f3c0-11ec-9501-9df22fe06720 last_name: Matthee orcid: 0000-0003-2871-127X - first_name: Anna full_name: Feltre, Anna last_name: Feltre - first_name: Michael full_name: Maseda, Michael last_name: Maseda - first_name: Themiya full_name: Nanayakkara, Themiya last_name: Nanayakkara - first_name: Leindert full_name: Boogaard, Leindert last_name: Boogaard - first_name: Roland full_name: Bacon, Roland last_name: Bacon - first_name: Anne full_name: Verhamme, Anne last_name: Verhamme - first_name: Floriane full_name: Leclercq, Floriane last_name: Leclercq - first_name: Haruka full_name: Kusakabe, Haruka last_name: Kusakabe - first_name: Tanya full_name: Urrutia, Tanya last_name: Urrutia - first_name: Lutz full_name: Wisotzki, Lutz last_name: Wisotzki citation: ama: 'Matthee JJ, Feltre A, Maseda M, et al. Deciphering stellar metallicities in the early universe: Case study of a young galaxy at z = 4.77 in the MUSE eXtremely Deep Field. Astronomy & Astrophysics. 2022;660. doi:10.1051/0004-6361/202142187' apa: 'Matthee, J. J., Feltre, A., Maseda, M., Nanayakkara, T., Boogaard, L., Bacon, R., … Wisotzki, L. (2022). Deciphering stellar metallicities in the early universe: Case study of a young galaxy at z = 4.77 in the MUSE eXtremely Deep Field. Astronomy & Astrophysics. EDP Sciences. https://doi.org/10.1051/0004-6361/202142187' chicago: 'Matthee, Jorryt J, Anna Feltre, Michael Maseda, Themiya Nanayakkara, Leindert Boogaard, Roland Bacon, Anne Verhamme, et al. “Deciphering Stellar Metallicities in the Early Universe: Case Study of a Young Galaxy at z = 4.77 in the MUSE EXtremely Deep Field.” Astronomy & Astrophysics. EDP Sciences, 2022. https://doi.org/10.1051/0004-6361/202142187.' ieee: 'J. J. Matthee et al., “Deciphering stellar metallicities in the early universe: Case study of a young galaxy at z = 4.77 in the MUSE eXtremely Deep Field,” Astronomy & Astrophysics, vol. 660. EDP Sciences, 2022.' ista: 'Matthee JJ, Feltre A, Maseda M, Nanayakkara T, Boogaard L, Bacon R, Verhamme A, Leclercq F, Kusakabe H, Urrutia T, Wisotzki L. 2022. Deciphering stellar metallicities in the early universe: Case study of a young galaxy at z = 4.77 in the MUSE eXtremely Deep Field. Astronomy & Astrophysics. 660, A10.' mla: 'Matthee, Jorryt J., et al. “Deciphering Stellar Metallicities in the Early Universe: Case Study of a Young Galaxy at z = 4.77 in the MUSE EXtremely Deep Field.” Astronomy & Astrophysics, vol. 660, A10, EDP Sciences, 2022, doi:10.1051/0004-6361/202142187.' short: J.J. Matthee, A. Feltre, M. Maseda, T. Nanayakkara, L. Boogaard, R. Bacon, A. Verhamme, F. Leclercq, H. Kusakabe, T. Urrutia, L. Wisotzki, Astronomy & Astrophysics 660 (2022). date_created: 2022-07-05T15:25:35Z date_published: 2022-03-30T00:00:00Z date_updated: 2022-07-19T09:33:46Z day: '30' doi: 10.1051/0004-6361/202142187 extern: '1' external_id: arxiv: - '2111.14855' intvolume: ' 660' keyword: - Space and Planetary Science - Astronomy and Astrophysics - 'galaxies: high-redshift / techniques: spectroscopic / galaxies: stellar content / galaxies: formation' language: - iso: eng main_file_link: - open_access: '1' url: https://arxiv.org/abs/2111.14855 month: '03' oa: 1 oa_version: Published Version publication: Astronomy & Astrophysics publication_identifier: eissn: - 1432-0746 issn: - 0004-6361 publication_status: published publisher: EDP Sciences quality_controlled: '1' scopus_import: '1' status: public title: 'Deciphering stellar metallicities in the early universe: Case study of a young galaxy at z = 4.77 in the MUSE eXtremely Deep Field' type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 660 year: '2022' ... --- _id: '11497' abstract: - lang: eng text: "Context. The hydrogen Lyman α line is often the only measurable feature in optical spectra of high-redshift galaxies. Its shape and strength are influenced by radiative transfer processes and the properties of the underlying stellar population. High equivalent widths of several hundred Å are especially hard to explain by models and could point towards unusual stellar populations, for example with low metallicities, young stellar ages, and a top-heavy initial mass function. Other aspects influencing equivalent widths are the morphology of the galaxy and its gas properties.\r\nAims. The aim of this study is to better understand the connection between the Lyman α rest-frame equivalent width (EW0) and spectral properties as well as ultraviolet (UV) continuum morphology by obtaining reliable EW0 histograms for a statistical sample of galaxies and by assessing the fraction of objects with large equivalent widths.\r\nMethods. We used integral field spectroscopy from the Multi Unit Spectroscopic Explorer (MUSE) combined with broad-band data from the Hubble Space Telescope (HST) to measure EW0. We analysed the emission lines of 1920 Lyman α emitters (LAEs) detected in the full MUSE-Wide (one hour exposure time) and MUSE-Deep (ten hour exposure time) surveys and found UV continuum counterparts in archival HST data. We fitted the UV continuum photometric images using the Galfit software to gain morphological information on the rest-UV emission and fitted the spectra obtained from MUSE to determine the double peak fraction, asymmetry, full-width at half maximum, and flux of the Lyman α line.\r\nResults. The two surveys show different histograms of Lyman α EW0. In MUSE-Wide, 20% of objects have EW0 > 240 Å, while this fraction is only 11% in MUSE-Deep and ≈16% for the full sample. This includes objects without HST continuum counterparts (one-third of our sample), for which we give lower limits for EW0. The object with the highest securely measured EW0 has EW0 = 589 ± 193 Å (the highest lower limit being EW0 = 4464 Å). We investigate the connection between EW0 and Lyman α spectral or UV continuum morphological properties.\r\nConclusions. The survey depth has to be taken into account when studying EW0 distributions. We find that in general, high EW0 objects can have a wide range of spectral and UV morphological properties, which might reflect that the underlying causes for high EW0 values are equally varied." acknowledgement: We thank the referee for thoughtful and constructive comments that have improved the quality of this manuscript. Based on observations collected at the European Southern Observatory under ESO programme 1101.A-0127. This work made use of v2.2.1 of the Binary Population and Spectral Synthesis (BPASS) models as described in Eldridge et al. (2017) and Stanway & Eldridge (2018). A.F. acknowledges the support from grant PRIN MIUR2017-20173ML3WW_001. T.N. acknowledges support from Australian Research Council Laureate Fellowship FL180100060. article_number: '183' article_processing_charge: No article_type: original arxiv: 1 author: - first_name: J. full_name: Kerutt, J. last_name: Kerutt - first_name: L. full_name: Wisotzki, L. last_name: Wisotzki - first_name: A. full_name: Verhamme, A. last_name: Verhamme - first_name: K. B. full_name: Schmidt, K. B. last_name: Schmidt - first_name: F. full_name: Leclercq, F. last_name: Leclercq - first_name: E. C. full_name: Herenz, E. C. last_name: Herenz - first_name: T. full_name: Urrutia, T. last_name: Urrutia - first_name: T. full_name: Garel, T. last_name: Garel - first_name: T. full_name: Hashimoto, T. last_name: Hashimoto - first_name: M. full_name: Maseda, M. last_name: Maseda - first_name: Jorryt J full_name: Matthee, Jorryt J id: 7439a258-f3c0-11ec-9501-9df22fe06720 last_name: Matthee orcid: 0000-0003-2871-127X - first_name: H. full_name: Kusakabe, H. last_name: Kusakabe - first_name: J. full_name: Schaye, J. last_name: Schaye - first_name: J. full_name: Richard, J. last_name: Richard - first_name: B. full_name: Guiderdoni, B. last_name: Guiderdoni - first_name: V. full_name: Mauerhofer, V. last_name: Mauerhofer - first_name: T. full_name: Nanayakkara, T. last_name: Nanayakkara - first_name: E. full_name: Vitte, E. last_name: Vitte citation: ama: Kerutt J, Wisotzki L, Verhamme A, et al. Equivalent widths of Lyman α emitters in MUSE-Wide and MUSE-Deep. Astronomy & Astrophysics. 2022;659. doi:10.1051/0004-6361/202141900 apa: Kerutt, J., Wisotzki, L., Verhamme, A., Schmidt, K. B., Leclercq, F., Herenz, E. C., … Vitte, E. (2022). Equivalent widths of Lyman α emitters in MUSE-Wide and MUSE-Deep. Astronomy & Astrophysics. EDP Sciences. https://doi.org/10.1051/0004-6361/202141900 chicago: Kerutt, J., L. Wisotzki, A. Verhamme, K. B. Schmidt, F. Leclercq, E. C. Herenz, T. Urrutia, et al. “Equivalent Widths of Lyman α Emitters in MUSE-Wide and MUSE-Deep.” Astronomy & Astrophysics. EDP Sciences, 2022. https://doi.org/10.1051/0004-6361/202141900. ieee: J. Kerutt et al., “Equivalent widths of Lyman α emitters in MUSE-Wide and MUSE-Deep,” Astronomy & Astrophysics, vol. 659. EDP Sciences, 2022. ista: Kerutt J, Wisotzki L, Verhamme A, Schmidt KB, Leclercq F, Herenz EC, Urrutia T, Garel T, Hashimoto T, Maseda M, Matthee JJ, Kusakabe H, Schaye J, Richard J, Guiderdoni B, Mauerhofer V, Nanayakkara T, Vitte E. 2022. Equivalent widths of Lyman α emitters in MUSE-Wide and MUSE-Deep. Astronomy & Astrophysics. 659, 183. mla: Kerutt, J., et al. “Equivalent Widths of Lyman α Emitters in MUSE-Wide and MUSE-Deep.” Astronomy & Astrophysics, vol. 659, 183, EDP Sciences, 2022, doi:10.1051/0004-6361/202141900. short: J. Kerutt, L. Wisotzki, A. Verhamme, K.B. Schmidt, F. Leclercq, E.C. Herenz, T. Urrutia, T. Garel, T. Hashimoto, M. Maseda, J.J. Matthee, H. Kusakabe, J. Schaye, J. Richard, B. Guiderdoni, V. Mauerhofer, T. Nanayakkara, E. Vitte, Astronomy & Astrophysics 659 (2022). date_created: 2022-07-06T08:17:27Z date_published: 2022-03-25T00:00:00Z date_updated: 2022-07-19T09:47:16Z day: '25' doi: 10.1051/0004-6361/202141900 extern: '1' external_id: arxiv: - '2202.06642' intvolume: ' 659' keyword: - Space and Planetary Science - Astronomy and Astrophysics - 'galaxies: high-redshift / galaxies: formation / galaxies: evolution / cosmology: observations' language: - iso: eng main_file_link: - open_access: '1' url: https://arxiv.org/abs/2202.06642 month: '03' oa: 1 oa_version: Published Version publication: Astronomy & Astrophysics publication_identifier: eissn: - 1432-0746 issn: - 0004-6361 publication_status: published publisher: EDP Sciences quality_controlled: '1' scopus_import: '1' status: public title: Equivalent widths of Lyman α emitters in MUSE-Wide and MUSE-Deep type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 659 year: '2022' ... --- _id: '11521' abstract: - lang: eng text: 'The cosmic ionizing emissivity from star-forming galaxies has long been anchored to UV luminosity functions. Here, we introduce an emissivity framework based on Lyα emitters (LAEs), which naturally hones in on the subset of galaxies responsible for the ionizing background due to the intimate connection between production and escape of Lyα and LyC photons. Using constraints on the escape fractions of bright LAEs (LLyα > 0.2L*) at z ≈ 2 obtained from resolved Lyα profiles, and arguing for their redshift-invariance, we show that: (i) quasars and LAEs together reproduce the relatively flat emissivity at z ≈ 2–6, which is non-trivial given the strong evolution in both the star formation density and quasar number density at these epochs and (ii) LAEs produce late and rapid reionization between z ≈ 6−9 under plausible assumptions. Within this framework, the >10 × rise in the UV population-averaged fesc between z ≈ 3–7 naturally arises due to the same phenomena that drive the growing LAE fraction with redshift. Generally, a LAE dominated emissivity yields a peak in the distribution of the ionizing budget with UV luminosity as reported in latest simulations. Using our adopted parameters (⁠fesc=50 per cent⁠, ξion = 1025.9 Hz erg−1 for half the bright LAEs), a highly ionizing minority of galaxies with MUV < −17 accounts for the entire ionizing budget from star-forming galaxies. Rapid flashes of LyC from such rare galaxies produce a ‘disco’ ionizing background. We conclude proposing tests to further develop our suggested Lyα-anchored formalism.' acknowledgement: We thank an anonymous referee for an encouraging and constructive report that helped improving the quality of this work. We acknowledge illuminating conversations with Xiaohan Wu, Chris Cain, Anna-Christina Eilers, Simon Lilly and Ruari Mackenzie. RPN gratefully acknowledges an Ashford Fellowship granted by Harvard University. MG was supported by NASA through the NASA Hubble Fellowship grant HST-HF2-51409. PO acknowledges support from the Swiss National Science Foundation through the SNSF Professorship grant 190079. GP acknowledges support from the Netherlands Research School for Astronomy (NOVA). MH is fellow of the Knut and Alice Wallenberg Foundation. DE is supported by the US National Science Foundation (NSF) through Astronomy & Astrophysics grant AST-1909198. The Cosmic Dawn Center (DAWN) is funded by the Danish National Research Foundation under grant No. 140. RA acknowledges support from Fondecyt Regular Grant 1202007. ST is supported by the 2021 Research Fund 1.210134.01 of UNIST (Ulsan National Institute of Science & Technology). MLl acknowledges support from the ANID/Scholarship Program/Doctorado Nacional/2019-21191036. JC acknowledges support from the Spanish Ministry of Science and Innovation, project PID2019-107408GB-C43 (ESTALLIDOS) and from Gobierno de Canarias through EU FEDER funding, project PID2020010050. article_processing_charge: No article_type: original arxiv: 1 author: - first_name: Jorryt J full_name: Matthee, Jorryt J id: 7439a258-f3c0-11ec-9501-9df22fe06720 last_name: Matthee orcid: 0000-0003-2871-127X - first_name: Rohan P. full_name: Naidu, Rohan P. last_name: Naidu - first_name: Gabriele full_name: Pezzulli, Gabriele last_name: Pezzulli - first_name: Max full_name: Gronke, Max last_name: Gronke - first_name: David full_name: Sobral, David last_name: Sobral - first_name: Pascal A. full_name: Oesch, Pascal A. last_name: Oesch - first_name: Matthew full_name: Hayes, Matthew last_name: Hayes - first_name: Dawn full_name: Erb, Dawn last_name: Erb - first_name: Daniel full_name: Schaerer, Daniel last_name: Schaerer - first_name: Ricardo full_name: Amorín, Ricardo last_name: Amorín - first_name: Sandro full_name: Tacchella, Sandro last_name: Tacchella - first_name: Ana Paulino-Afonso full_name: Ana Paulino-Afonso, Ana Paulino-Afonso last_name: Ana Paulino-Afonso - first_name: Mario full_name: Llerena, Mario last_name: Llerena - first_name: João full_name: Calhau, João last_name: Calhau - first_name: Huub full_name: Röttgering, Huub last_name: Röttgering citation: ama: 'Matthee JJ, Naidu RP, Pezzulli G, et al. (Re)Solving reionization with Lyα: How bright Lyα emitters account for the z ≈ 2 − 8 cosmic ionizing background. Monthly Notices of the Royal Astronomical Society. 2022;512(4):5960-5977. doi:10.1093/mnras/stac801' apa: 'Matthee, J. J., Naidu, R. P., Pezzulli, G., Gronke, M., Sobral, D., Oesch, P. A., … Röttgering, H. (2022). (Re)Solving reionization with Lyα: How bright Lyα emitters account for the z ≈ 2 − 8 cosmic ionizing background. Monthly Notices of the Royal Astronomical Society. Oxford University Press. https://doi.org/10.1093/mnras/stac801' chicago: 'Matthee, Jorryt J, Rohan P. Naidu, Gabriele Pezzulli, Max Gronke, David Sobral, Pascal A. Oesch, Matthew Hayes, et al. “(Re)Solving Reionization with Lyα: How Bright Lyα Emitters Account for the z ≈ 2 − 8 Cosmic Ionizing Background.” Monthly Notices of the Royal Astronomical Society. Oxford University Press, 2022. https://doi.org/10.1093/mnras/stac801.' ieee: 'J. J. Matthee et al., “(Re)Solving reionization with Lyα: How bright Lyα emitters account for the z ≈ 2 − 8 cosmic ionizing background,” Monthly Notices of the Royal Astronomical Society, vol. 512, no. 4. Oxford University Press, pp. 5960–5977, 2022.' ista: 'Matthee JJ, Naidu RP, Pezzulli G, Gronke M, Sobral D, Oesch PA, Hayes M, Erb D, Schaerer D, Amorín R, Tacchella S, Ana Paulino-Afonso AP-A, Llerena M, Calhau J, Röttgering H. 2022. (Re)Solving reionization with Lyα: How bright Lyα emitters account for the z ≈ 2 − 8 cosmic ionizing background. Monthly Notices of the Royal Astronomical Society. 512(4), 5960–5977.' mla: 'Matthee, Jorryt J., et al. “(Re)Solving Reionization with Lyα: How Bright Lyα Emitters Account for the z ≈ 2 − 8 Cosmic Ionizing Background.” Monthly Notices of the Royal Astronomical Society, vol. 512, no. 4, Oxford University Press, 2022, pp. 5960–77, doi:10.1093/mnras/stac801.' short: J.J. Matthee, R.P. Naidu, G. Pezzulli, M. Gronke, D. Sobral, P.A. Oesch, M. Hayes, D. Erb, D. Schaerer, R. Amorín, S. Tacchella, A.P.-A. Ana Paulino-Afonso, M. Llerena, J. Calhau, H. Röttgering, Monthly Notices of the Royal Astronomical Society 512 (2022) 5960–5977. date_created: 2022-07-07T09:21:30Z date_published: 2022-06-01T00:00:00Z date_updated: 2022-08-18T10:42:47Z day: '01' doi: 10.1093/mnras/stac801 extern: '1' external_id: arxiv: - '2110.11967' intvolume: ' 512' issue: '4' keyword: - 'galaxies: high-redshift' - intergalactic medium - 'cosmology: observations' - dark ages - reionization - first stars - 'ultraviolet: galaxies' language: - iso: eng main_file_link: - open_access: '1' url: https://arxiv.org/abs/2110.11967 month: '06' oa: 1 oa_version: Preprint page: 5960-5977 publication: Monthly Notices of the Royal Astronomical Society publication_identifier: eissn: - 1365-2966 issn: - 0035-8711 publication_status: published publisher: Oxford University Press quality_controlled: '1' scopus_import: '1' status: public title: '(Re)Solving reionization with Lyα: How bright Lyα emitters account for the z ≈ 2 − 8 cosmic ionizing background' type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 512 year: '2022' ... --- _id: '11879' abstract: - lang: eng text: "As the overall global mean surface temperature is increasing due to climate change, plant\r\nadaptation to those stressful conditions is of utmost importance for their survival. Plants are\r\nsessile organisms, thus to compensate for their lack of mobility, they evolved a variety of\r\nmechanisms enabling them to flexibly adjust their physiological, growth and developmental\r\nprocesses to fluctuating temperatures and to survive in harsh environments. While these unique\r\nadaptation abilities provide an important evolutionary advantage, overall modulation of plant\r\ngrowth and developmental program due to non-optimal temperature negatively affects biomass\r\nproduction, crop productivity or sensitivity to pathogens. Thus, understanding molecular\r\nprocesses underlying plant adaptation to increased temperature can provide important\r\nresources for breeding strategies to ensure sufficient agricultural food production.\r\nAn increase in ambient temperature by a few degrees leads to profound changes in organ growth\r\nincluding enhanced hypocotyl elongation, expansion of petioles, hyponastic growth of leaves and\r\ncotyledons, collectively named thermomorphogenesis (Casal & Balasubramanian, 2019). Auxin,\r\none of the best-studied growth hormones, plays an essential role in this process by direct\r\nactivation of transcriptional and non-transcriptional processes resulting in elongation growth\r\n(Majda & Robert, 2018).To modulate hypocotyl growth in response to high ambient temperature\r\n(hAT), auxin needs to be redistributed accordingly. PINs, auxin efflux transporters, are key\r\ncomponents of the polar auxin transport (PAT) machinery, which controls the amount and\r\ndirection of auxin translocated in the plant tissues and organs(Adamowski & Friml, 2015). Hence,\r\nPIN-mediated transport is tightly linked with thermo-morphogenesis, and interference with PAT\r\nthrough either chemical or genetic means dramatically affecting the adaptive responses to hAT.\r\nIntriguingly, despite the key role of PIN mediated transport in growth response to hAT, whether\r\nand how PINs at the level of expression adapt to fluctuation in temperature is scarcely\r\nunderstood.\r\nWith genetic, molecular and advanced bio-imaging approaches, we demonstrate the role of PIN\r\nauxin transporters in the regulation of hypocotyl growth in response to hAT. We show that via\r\nadjustment of PIN3, PIN4 and PIN7 expression in cotyledons and hypocotyls, auxin distribution is modulated thereby determining elongation pattern of epidermal cells at hAT. Furthermore, we\r\nidentified three Zinc-Finger (ZF) transcription factors as novel molecular components of the\r\nthermo-regulatory network, which through negative regulation of PIN transcription adjust the\r\ntransport of auxin at hAT. Our results suggest that the ZF-PIN module might be a part of the\r\nnegative feedback loop attenuating the activity of the thermo-sensing pathway to restrain\r\nexaggerated growth and developmental responses to hAT." acknowledged_ssus: - _id: Bio - _id: LifeSc - _id: SSU acknowledgement: I would like to acknowledge ISTA and all the people from the Scientific Service Units and at ISTA, in particular Dorota Jaworska for excellent technical and scientific support as well as ÖAW for funding my research for over 3 years (DOC ÖAW Fellowship PR1022OEAW02). alternative_title: - ISTA Thesis article_processing_charge: No author: - first_name: Christina full_name: Artner, Christina id: 45DF286A-F248-11E8-B48F-1D18A9856A87 last_name: Artner citation: ama: Artner C. Modulation of auxin transport via ZF proteins adjust plant response to high ambient temperature. 2022. doi:10.15479/at:ista:11879 apa: Artner, C. (2022). Modulation of auxin transport via ZF proteins adjust plant response to high ambient temperature. Institute of Science and Technology Austria. https://doi.org/10.15479/at:ista:11879 chicago: Artner, Christina. “Modulation of Auxin Transport via ZF Proteins Adjust Plant Response to High Ambient Temperature.” Institute of Science and Technology Austria, 2022. https://doi.org/10.15479/at:ista:11879. ieee: C. Artner, “Modulation of auxin transport via ZF proteins adjust plant response to high ambient temperature,” Institute of Science and Technology Austria, 2022. ista: Artner C. 2022. Modulation of auxin transport via ZF proteins adjust plant response to high ambient temperature. Institute of Science and Technology Austria. mla: Artner, Christina. Modulation of Auxin Transport via ZF Proteins Adjust Plant Response to High Ambient Temperature. Institute of Science and Technology Austria, 2022, doi:10.15479/at:ista:11879. short: C. Artner, Modulation of Auxin Transport via ZF Proteins Adjust Plant Response to High Ambient Temperature, Institute of Science and Technology Austria, 2022. date_created: 2022-08-17T07:58:53Z date_published: 2022-08-17T00:00:00Z date_updated: 2023-09-09T22:30:04Z day: '17' ddc: - '580' degree_awarded: PhD department: - _id: GradSch - _id: EvBe doi: 10.15479/at:ista:11879 file: - access_level: open_access checksum: a2c2fdc28002538840490bfa6a08b2cb content_type: application/pdf creator: cartner date_created: 2022-08-17T12:08:49Z date_updated: 2023-09-09T22:30:03Z embargo: 2023-09-08 file_id: '11907' file_name: ChristinaArtner_PhD_Thesis_2022.pdf file_size: 11113608 relation: main_file - access_level: closed checksum: 66b461c074b815fbe63481b3f46a9f43 content_type: application/octet-stream creator: cartner date_created: 2022-08-17T12:08:59Z date_updated: 2023-09-09T22:30:03Z embargo_to: open_access file_id: '11908' file_name: ChristinaArtner_PhD_Thesis_2022.7z file_size: 19097730 relation: source_file file_date_updated: 2023-09-09T22:30:03Z has_accepted_license: '1' keyword: - high ambient temperature - auxin - PINs - Zinc-Finger proteins - thermomorphogenesis - stress language: - iso: eng month: '08' oa: 1 oa_version: Published Version page: '128' project: - _id: 2685A872-B435-11E9-9278-68D0E5697425 name: Hormonal regulation of plant adaptive responses to environmental signals publication_identifier: isbn: - 978-3-99078-022-0 issn: - 2663-337X publication_status: published publisher: Institute of Science and Technology Austria status: public supervisor: - first_name: Eva full_name: Benková, Eva id: 38F4F166-F248-11E8-B48F-1D18A9856A87 last_name: Benková orcid: 0000-0002-8510-9739 title: Modulation of auxin transport via ZF proteins adjust plant response to high ambient temperature type: dissertation user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 year: '2022' ... --- _id: '12232' abstract: - lang: eng text: We derive a precise asymptotic formula for the density of the small singular values of the real Ginibre matrix ensemble shifted by a complex parameter z as the dimension tends to infinity. For z away from the real axis the formula coincides with that for the complex Ginibre ensemble we derived earlier in Cipolloni et al. (Prob Math Phys 1:101–146, 2020). On the level of the one-point function of the low lying singular values we thus confirm the transition from real to complex Ginibre ensembles as the shift parameter z becomes genuinely complex; the analogous phenomenon has been well known for eigenvalues. We use the superbosonization formula (Littelmann et al. in Comm Math Phys 283:343–395, 2008) in a regime where the main contribution comes from a three dimensional saddle manifold. acknowledgement: Open access funding provided by Swiss Federal Institute of Technology Zurich. Supported by Dr. Max Rössler, the Walter Haefner Foundation and the ETH Zürich Foundation. article_processing_charge: No article_type: original author: - first_name: Giorgio full_name: Cipolloni, Giorgio id: 42198EFA-F248-11E8-B48F-1D18A9856A87 last_name: Cipolloni orcid: 0000-0002-4901-7992 - first_name: László full_name: Erdös, László id: 4DBD5372-F248-11E8-B48F-1D18A9856A87 last_name: Erdös orcid: 0000-0001-5366-9603 - first_name: Dominik J full_name: Schröder, Dominik J id: 408ED176-F248-11E8-B48F-1D18A9856A87 last_name: Schröder orcid: 0000-0002-2904-1856 citation: ama: Cipolloni G, Erdös L, Schröder DJ. Density of small singular values of the shifted real Ginibre ensemble. Annales Henri Poincaré. 2022;23(11):3981-4002. doi:10.1007/s00023-022-01188-8 apa: Cipolloni, G., Erdös, L., & Schröder, D. J. (2022). Density of small singular values of the shifted real Ginibre ensemble. Annales Henri Poincaré. Springer Nature. https://doi.org/10.1007/s00023-022-01188-8 chicago: Cipolloni, Giorgio, László Erdös, and Dominik J Schröder. “Density of Small Singular Values of the Shifted Real Ginibre Ensemble.” Annales Henri Poincaré. Springer Nature, 2022. https://doi.org/10.1007/s00023-022-01188-8. ieee: G. Cipolloni, L. Erdös, and D. J. Schröder, “Density of small singular values of the shifted real Ginibre ensemble,” Annales Henri Poincaré, vol. 23, no. 11. Springer Nature, pp. 3981–4002, 2022. ista: Cipolloni G, Erdös L, Schröder DJ. 2022. Density of small singular values of the shifted real Ginibre ensemble. Annales Henri Poincaré. 23(11), 3981–4002. mla: Cipolloni, Giorgio, et al. “Density of Small Singular Values of the Shifted Real Ginibre Ensemble.” Annales Henri Poincaré, vol. 23, no. 11, Springer Nature, 2022, pp. 3981–4002, doi:10.1007/s00023-022-01188-8. short: G. Cipolloni, L. Erdös, D.J. Schröder, Annales Henri Poincaré 23 (2022) 3981–4002. date_created: 2023-01-16T09:50:26Z date_published: 2022-11-01T00:00:00Z date_updated: 2023-08-04T09:33:52Z day: '01' ddc: - '510' department: - _id: LaEr doi: 10.1007/s00023-022-01188-8 external_id: isi: - '000796323500001' file: - access_level: open_access checksum: 5582f059feeb2f63e2eb68197a34d7dc content_type: application/pdf creator: dernst date_created: 2023-01-27T11:06:47Z date_updated: 2023-01-27T11:06:47Z file_id: '12424' file_name: 2022_AnnalesHenriP_Cipolloni.pdf file_size: 1333638 relation: main_file success: 1 file_date_updated: 2023-01-27T11:06:47Z has_accepted_license: '1' intvolume: ' 23' isi: 1 issue: '11' keyword: - Mathematical Physics - Nuclear and High Energy Physics - Statistical and Nonlinear Physics language: - iso: eng month: '11' oa: 1 oa_version: Published Version page: 3981-4002 publication: Annales Henri Poincaré publication_identifier: eissn: - 1424-0661 issn: - 1424-0637 publication_status: published publisher: Springer Nature quality_controlled: '1' scopus_import: '1' status: public title: Density of small singular values of the shifted real Ginibre ensemble tmp: image: /images/cc_by.png legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0) short: CC BY (4.0) type: journal_article user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8 volume: 23 year: '2022' ... --- _id: '11498' abstract: - lang: eng text: Rest-frame ultraviolet (UV) emission lines probe electron densities, gas-phase abundances, metallicities, and ionization parameters of the emitting star-forming galaxies and their environments. The strongest main UV emission line, Lyα, has been instrumental in advancing the general knowledge of galaxy formation in the early universe. However, observing Lyα emission becomes increasingly challenging at z ≳ 6 when the neutral hydrogen fraction of the circumgalactic and intergalactic media increases. Secondary weaker UV emission lines provide important alternative methods for studying galaxy properties at high redshift. We present a large sample of rest-frame UV emission line sources at intermediate redshift for calibrating and exploring the connection between secondary UV lines and the emitting galaxies’ physical properties and their Lyα emission. The sample of 2052 emission line sources with 1.5 < z < 6.4 was collected from integral field data from the MUSE-Wide and MUSE-Deep surveys taken as part of Guaranteed Time Observations. The objects were selected through untargeted source detection (i.e., no preselection of sources as in dedicated spectroscopic campaigns) in the three-dimensional MUSE data cubes. We searched optimally extracted one-dimensional spectra of the full sample for UV emission features via emission line template matching, resulting in a sample of more than 100 rest-frame UV emission line detections. We show that the detection efficiency of (non-Lyα) UV emission lines increases with survey depth, and that the emission line strength of He IIλ1640 Å, [O III] λ1661 + O III] λ1666, and [Si III] λ1883 + Si III] λ1892 correlate with the strength of [C III] λ1907 + C III] λ1909. The rest-frame equivalent width (EW0) of [C III] λ1907 + C III] λ1909 is found to be roughly 0.22 ± 0.18 of EW0(Lyα). We measured the velocity offsets of resonant emission lines with respect to systemic tracers. For C IVλ1548 + C IVλ1551 we find that ΔvC IV ≲ 250 km s−1, whereas ΔvLyα falls in the range of 250−500 km s−1 which is in agreement with previous results from the literature. The electron density ne measured from [Si III] λ1883 + Si III] λ1892 and [C III] λ1907 + C III] λ1909 line flux ratios is generally < 105 cm−3 and the gas-phase abundance is below solar at 12 + log10(O/H)≈8. Lastly, we used “PhotoIonization Model Probability Density Functions” to infer physical parameters of the full sample and individual systems based on photoionization model parameter grids and observational constraints from our UV emission line searches. This reveals that the UV line emitters generally have ionization parameter log10(U) ≈ −2.5 and metal mass fractions that scatter around Z ≈ 10−2, that is Z ≈ 0.66 Z⊙. Value-added catalogs of the full sample of MUSE objects studied in this work and a collection of UV line emitters from the literature are provided with this paper. acknowledgement: 'We would like to thank Charlotte Mason for useful discussions and for providing the data for the curves shown in Fig. 13 and Dawn Erb for providing the observational data for the comparison sample studied by Steidel et al. (2014), also shown in Fig. 13. This work has been supported by the BMBF grant 05A14BAC and we acknowledge support by the Competitive Fund of the Leibniz Association through grant SAW-2015-AIP-2. AF acknowledges the support from grant PRIN MIUR2017-20173ML3WW_001. JS acknowledges the support from Vici grant 639.043.409 from the Dutch Research Council (NWO). GM received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No MARACAS – DLV-896778. This paper is based on observations collected at the European Organisation for Astronomical Research in the Southern Hemisphere under ESO programmes 094.A-0289(B), 095.A-0010(A), 096.A-0045(A), 096.A-0045(B), 094.A-0205, 095.A-0240, 096.A-0090, 097.A-0160, and 098.A-0017. This paper also makes use of observations made with the NASA/ESA Hubble Space Telescope obtained at STScI. This research made use of the following programs and open-source packages for Python and we are thankful to their developers: DS9 (Joye & Mandel 2003), Astropy (Astropy Collaboration 2013, 2018), APLpy (Robitaille & Bressert 2012), iPython (Pérez & Granger 2007), numpy (van der Walt et al. 2011), matplotlib (Hunter 2007), and SciPy (Jones et al. 2001).' article_number: A80 article_processing_charge: No article_type: original arxiv: 1 author: - first_name: K. B. full_name: Schmidt, K. B. last_name: Schmidt - first_name: J. full_name: Kerutt, J. last_name: Kerutt - first_name: L. full_name: Wisotzki, L. last_name: Wisotzki - first_name: T. full_name: Urrutia, T. last_name: Urrutia - first_name: A. full_name: Feltre, A. last_name: Feltre - first_name: M. V. full_name: Maseda, M. V. last_name: Maseda - first_name: T. full_name: Nanayakkara, T. last_name: Nanayakkara - first_name: R. full_name: Bacon, R. last_name: Bacon - first_name: L. A. full_name: Boogaard, L. A. last_name: Boogaard - first_name: S. full_name: Conseil, S. last_name: Conseil - first_name: T. full_name: Contini, T. last_name: Contini - first_name: E. C. full_name: Herenz, E. C. last_name: Herenz - first_name: W. full_name: Kollatschny, W. last_name: Kollatschny - first_name: M. full_name: Krumpe, M. last_name: Krumpe - first_name: F. full_name: Leclercq, F. last_name: Leclercq - first_name: G. full_name: Mahler, G. last_name: Mahler - first_name: Jorryt J full_name: Matthee, Jorryt J id: 7439a258-f3c0-11ec-9501-9df22fe06720 last_name: Matthee orcid: 0000-0003-2871-127X - first_name: V. full_name: Mauerhofer, V. last_name: Mauerhofer - first_name: J. full_name: Richard, J. last_name: Richard - first_name: J. full_name: Schaye, J. last_name: Schaye citation: ama: Schmidt KB, Kerutt J, Wisotzki L, et al. Recovery and analysis of rest-frame UV emission lines in 2052 galaxies observed with MUSE at 1.5 < z < 6.4. Astronomy & Astrophysics. 2021;654. doi:10.1051/0004-6361/202140876 apa: Schmidt, K. B., Kerutt, J., Wisotzki, L., Urrutia, T., Feltre, A., Maseda, M. V., … Schaye, J. (2021). Recovery and analysis of rest-frame UV emission lines in 2052 galaxies observed with MUSE at 1.5 < z < 6.4. Astronomy & Astrophysics. EDP Sciences. https://doi.org/10.1051/0004-6361/202140876 chicago: Schmidt, K. B., J. Kerutt, L. Wisotzki, T. Urrutia, A. Feltre, M. V. Maseda, T. Nanayakkara, et al. “Recovery and Analysis of Rest-Frame UV Emission Lines in 2052 Galaxies Observed with MUSE at 1.5 < z < 6.4.” Astronomy & Astrophysics. EDP Sciences, 2021. https://doi.org/10.1051/0004-6361/202140876. ieee: K. B. Schmidt et al., “Recovery and analysis of rest-frame UV emission lines in 2052 galaxies observed with MUSE at 1.5 < z < 6.4,” Astronomy & Astrophysics, vol. 654. EDP Sciences, 2021. ista: Schmidt KB, Kerutt J, Wisotzki L, Urrutia T, Feltre A, Maseda MV, Nanayakkara T, Bacon R, Boogaard LA, Conseil S, Contini T, Herenz EC, Kollatschny W, Krumpe M, Leclercq F, Mahler G, Matthee JJ, Mauerhofer V, Richard J, Schaye J. 2021. Recovery and analysis of rest-frame UV emission lines in 2052 galaxies observed with MUSE at 1.5 < z < 6.4. Astronomy & Astrophysics. 654, A80. mla: Schmidt, K. B., et al. “Recovery and Analysis of Rest-Frame UV Emission Lines in 2052 Galaxies Observed with MUSE at 1.5 < z < 6.4.” Astronomy & Astrophysics, vol. 654, A80, EDP Sciences, 2021, doi:10.1051/0004-6361/202140876. short: K.B. Schmidt, J. Kerutt, L. Wisotzki, T. Urrutia, A. Feltre, M.V. Maseda, T. Nanayakkara, R. Bacon, L.A. Boogaard, S. Conseil, T. Contini, E.C. Herenz, W. Kollatschny, M. Krumpe, F. Leclercq, G. Mahler, J.J. Matthee, V. Mauerhofer, J. Richard, J. Schaye, Astronomy & Astrophysics 654 (2021). date_created: 2022-07-06T08:49:03Z date_published: 2021-10-15T00:00:00Z date_updated: 2022-07-19T09:34:36Z day: '15' doi: 10.1051/0004-6361/202140876 extern: '1' external_id: arxiv: - '2108.01713' intvolume: ' 654' keyword: - Space and Planetary Science - Astronomy and Astrophysics - 'ultraviolet: galaxies / galaxies: high-redshift / galaxies: ISM / ISM: lines and bands / methods: observational / techniques: imaging spectroscopy' language: - iso: eng main_file_link: - open_access: '1' url: https://arxiv.org/abs/2108.01713 month: '10' oa: 1 oa_version: Published Version publication: Astronomy & Astrophysics publication_identifier: eissn: - 1432-0746 issn: - 0004-6361 publication_status: published publisher: EDP Sciences quality_controlled: '1' scopus_import: '1' status: public title: Recovery and analysis of rest-frame UV emission lines in 2052 galaxies observed with MUSE at 1.5 < z < 6.4 type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 654 year: '2021' ... --- _id: '11500' abstract: - lang: eng text: We report the discovery of diffuse extended Lyα emission from redshift 3.1 to 4.5, tracing cosmic web filaments on scales of 2.5−4 cMpc. These structures have been observed in overdensities of Lyα emitters in the MUSE Extremely Deep Field, a 140 h deep MUSE observation located in the Hubble Ultra-Deep Field. Among the 22 overdense regions identified, five are likely to harbor very extended Lyα emission at high significance with an average surface brightness of 5 × 10−20 erg s−1 cm−2 arcsec−2. Remarkably, 70% of the total Lyα luminosity from these filaments comes from beyond the circumgalactic medium of any identified Lyα emitter. Fluorescent Lyα emission powered by the cosmic UV background can only account for less than 34% of this emission at z ≈ 3 and for not more than 10% at higher redshift. We find that the bulk of this diffuse emission can be reproduced by the unresolved Lyα emission of a large population of ultra low-luminosity Lyα emitters (< 1040 erg s−1), provided that the faint end of the Lyα luminosity function is steep (α ⪅ −1.8), it extends down to luminosities lower than 1038 − 1037 erg s−1, and the clustering of these Lyα emitters is significant (filling factor < 1/6). If these Lyα emitters are powered by star formation, then this implies their luminosity function needs to extend down to star formation rates < 10−4 M⊙ yr−1. These observations provide the first detection of the cosmic web in Lyα emission in typical filamentary environments and the first observational clue indicating the existence of a large population of ultra low-luminosity Lyα emitters at high redshift. acknowledgement: 'We warmly thank ESO Paranal staff for their great professional support during all MXDF GTO observing runs. We thank the anonymous referee for a careful reading of the manuscript and helpful comments. We also thank Matthew Lehnert for fruitful discussions. RB, AF, SC acknowledge support from the ERC advanced grant 339659-MUSICOS. JB acknowledges support by Fundação para a Ciência e a Tecnologia (FCT) through the research grants UID/FIS/04434/2019, UIDB/04434/2020, UIDP/04434/2020 and through the Investigador FCT Contract No. IF/01654/2014/CP1215/CT0003. TG, AV acknowledges support from the European Research Council under grant agreement ERC-stg-757258 (TRIPLE). DM acknowledges A. Dabbech for useful interactions about IUWT and support from the GDR ISIS through the Projets exploratoires program (project TASTY). AF acknowledges the support from grant PRIN MIUR2017-20173ML3WW_001. SLZ acknowledges support by The Netherlands Organisation for Scientific Research (NWO) through a TOP Grant Module 1 under project number 614.001.652. This research made use of the following open-source software and we are thankful to the developers of these: GNU Octave (Eaton et al. 2018) and its statistics, signal and image packages, the Python packages Matplotlib (Hunter 2007), Numpy (van der Walt et al. 2010), MPDAF (Piqueras et al. 2017), Astropy (Astropy Collaboration 2018), PyWavelets (Lee et al. 2019).' article_number: A107 article_processing_charge: No article_type: original arxiv: 1 author: - first_name: R. full_name: Bacon, R. last_name: Bacon - first_name: D. full_name: Mary, D. last_name: Mary - first_name: T. full_name: Garel, T. last_name: Garel - first_name: J. full_name: Blaizot, J. last_name: Blaizot - first_name: M. full_name: Maseda, M. last_name: Maseda - first_name: J. full_name: Schaye, J. last_name: Schaye - first_name: L. full_name: Wisotzki, L. last_name: Wisotzki - first_name: S. full_name: Conseil, S. last_name: Conseil - first_name: J. full_name: Brinchmann, J. last_name: Brinchmann - first_name: F. full_name: Leclercq, F. last_name: Leclercq - first_name: V. full_name: Abril-Melgarejo, V. last_name: Abril-Melgarejo - first_name: L. full_name: Boogaard, L. last_name: Boogaard - first_name: N. F. full_name: Bouché, N. F. last_name: Bouché - first_name: T. full_name: Contini, T. last_name: Contini - first_name: A. full_name: Feltre, A. last_name: Feltre - first_name: B. full_name: Guiderdoni, B. last_name: Guiderdoni - first_name: C. full_name: Herenz, C. last_name: Herenz - first_name: W. full_name: Kollatschny, W. last_name: Kollatschny - first_name: H. full_name: Kusakabe, H. last_name: Kusakabe - first_name: Jorryt J full_name: Matthee, Jorryt J id: 7439a258-f3c0-11ec-9501-9df22fe06720 last_name: Matthee orcid: 0000-0003-2871-127X - first_name: L. full_name: Michel-Dansac, L. last_name: Michel-Dansac - first_name: T. full_name: Nanayakkara, T. last_name: Nanayakkara - first_name: J. full_name: Richard, J. last_name: Richard - first_name: M. full_name: Roth, M. last_name: Roth - first_name: K. B. full_name: Schmidt, K. B. last_name: Schmidt - first_name: M. full_name: Steinmetz, M. last_name: Steinmetz - first_name: L. full_name: Tresse, L. last_name: Tresse - first_name: T. full_name: Urrutia, T. last_name: Urrutia - first_name: A. full_name: Verhamme, A. last_name: Verhamme - first_name: P. M. full_name: Weilbacher, P. M. last_name: Weilbacher - first_name: J. full_name: Zabl, J. last_name: Zabl - first_name: S. L. full_name: Zoutendijk, S. L. last_name: Zoutendijk citation: ama: 'Bacon R, Mary D, Garel T, et al. The MUSE Extremely Deep Field: The cosmic web in emission at high redshift. Astronomy & Astrophysics. 2021;647. doi:10.1051/0004-6361/202039887' apa: 'Bacon, R., Mary, D., Garel, T., Blaizot, J., Maseda, M., Schaye, J., … Zoutendijk, S. L. (2021). The MUSE Extremely Deep Field: The cosmic web in emission at high redshift. Astronomy & Astrophysics. EDP Sciences. https://doi.org/10.1051/0004-6361/202039887' chicago: 'Bacon, R., D. Mary, T. Garel, J. Blaizot, M. Maseda, J. Schaye, L. Wisotzki, et al. “The MUSE Extremely Deep Field: The Cosmic Web in Emission at High Redshift.” Astronomy & Astrophysics. EDP Sciences, 2021. https://doi.org/10.1051/0004-6361/202039887.' ieee: 'R. Bacon et al., “The MUSE Extremely Deep Field: The cosmic web in emission at high redshift,” Astronomy & Astrophysics, vol. 647. EDP Sciences, 2021.' ista: 'Bacon R, Mary D, Garel T, Blaizot J, Maseda M, Schaye J, Wisotzki L, Conseil S, Brinchmann J, Leclercq F, Abril-Melgarejo V, Boogaard L, Bouché NF, Contini T, Feltre A, Guiderdoni B, Herenz C, Kollatschny W, Kusakabe H, Matthee JJ, Michel-Dansac L, Nanayakkara T, Richard J, Roth M, Schmidt KB, Steinmetz M, Tresse L, Urrutia T, Verhamme A, Weilbacher PM, Zabl J, Zoutendijk SL. 2021. The MUSE Extremely Deep Field: The cosmic web in emission at high redshift. Astronomy & Astrophysics. 647, A107.' mla: 'Bacon, R., et al. “The MUSE Extremely Deep Field: The Cosmic Web in Emission at High Redshift.” Astronomy & Astrophysics, vol. 647, A107, EDP Sciences, 2021, doi:10.1051/0004-6361/202039887.' short: R. Bacon, D. Mary, T. Garel, J. Blaizot, M. Maseda, J. Schaye, L. Wisotzki, S. Conseil, J. Brinchmann, F. Leclercq, V. Abril-Melgarejo, L. Boogaard, N.F. Bouché, T. Contini, A. Feltre, B. Guiderdoni, C. Herenz, W. Kollatschny, H. Kusakabe, J.J. Matthee, L. Michel-Dansac, T. Nanayakkara, J. Richard, M. Roth, K.B. Schmidt, M. Steinmetz, L. Tresse, T. Urrutia, A. Verhamme, P.M. Weilbacher, J. Zabl, S.L. Zoutendijk, Astronomy & Astrophysics 647 (2021). date_created: 2022-07-06T09:31:50Z date_published: 2021-03-18T00:00:00Z date_updated: 2022-07-19T09:34:57Z day: '18' doi: 10.1051/0004-6361/202039887 extern: '1' external_id: arxiv: - '2102.05516' intvolume: ' 647' keyword: - Space and Planetary Science - Astronomy and Astrophysics - 'galaxies: high-redshift / galaxies: groups: general / cosmology: observations' language: - iso: eng main_file_link: - open_access: '1' url: https://arxiv.org/abs/2102.05516 month: '03' oa: 1 oa_version: Published Version publication: Astronomy & Astrophysics publication_identifier: eissn: - 1432-0746 issn: - 0004-6361 publication_status: published publisher: EDP Sciences quality_controlled: '1' scopus_import: '1' status: public title: 'The MUSE Extremely Deep Field: The cosmic web in emission at high redshift' type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 647 year: '2021' ... --- _id: '11524' abstract: - lang: eng text: We measure the evolution of the rest-frame UV luminosity function (LF) and the stellar mass function (SMF) of Lyman-α (Ly α) emitters (LAEs) from z ∼ 2 to z ∼ 6 by exploring ∼4000 LAEs from the SC4K sample. We find a correlation between Ly α luminosity (LLy α) and rest-frame UV (MUV), with best fit MUV=−1.6+0.2−0.3log10(LLyα/ergs−1)+47+12−11 and a shallower relation between LLy α and stellar mass (M⋆), with best fit log10(M⋆/M⊙)=0.9+0.1−0.1log10(LLyα/ergs−1)−28+4.0−3.8⁠. An increasing LLy α cut predominantly lowers the number density of faint MUV and low M⋆ LAEs. We estimate a proxy for the full UV LFs and SMFs of LAEs with simple assumptions of the faint end slope. For the UV LF, we find a brightening of the characteristic UV luminosity (M∗UV⁠) with increasing redshift and a decrease of the characteristic number density (Φ*). For the SMF, we measure a characteristic stellar mass (⁠M∗⋆/M⊙⁠) increase with increasing redshift, and a Φ* decline. However, if we apply a uniform luminosity cut of log10(LLyα/ergs−1)≥43.0⁠, we find much milder to no evolution in the UV and SMF of LAEs. The UV luminosity density (ρUV) of the full sample of LAEs shows moderate evolution and the stellar mass density (ρM) decreases, with both being always lower than the total ρUV and ρM of more typical galaxies but slowly approaching them with increasing redshift. Overall, our results indicate that both ρUV and ρM of LAEs slowly approach the measurements of continuum-selected galaxies at z > 6, which suggests a key role of LAEs in the epoch of reionization. acknowledgement: This research made use of Astropy, a community developed core Python package for Astronomy (Astropy Collaboration et al. 2013). topcat, a graphical tool for manipulating tabular data, was also utilized in this analysis (Taylor 2005). SG would like to thank Nastasha Wijers for the discussion on the column density distribution in EAGLE. SC gratefully acknowledges support from Swiss National Science Foundation grants PP00P2 163824 and PP00P2 190092, and from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme grant agreement No 864361. GP acknowledges support from the Swiss National Science Foundation (SNF) and from the Netherlands Research School for Astronomy (NOVA). article_processing_charge: No article_type: original arxiv: 1 author: - first_name: S full_name: Santos, S last_name: Santos - first_name: D full_name: Sobral, D last_name: Sobral - first_name: J full_name: Butterworth, J last_name: Butterworth - first_name: A full_name: Paulino-Afonso, A last_name: Paulino-Afonso - first_name: B full_name: Ribeiro, B last_name: Ribeiro - first_name: E full_name: da Cunha, E last_name: da Cunha - first_name: J full_name: Calhau, J last_name: Calhau - first_name: A A full_name: Khostovan, A A last_name: Khostovan - first_name: Jorryt J full_name: Matthee, Jorryt J id: 7439a258-f3c0-11ec-9501-9df22fe06720 last_name: Matthee orcid: 0000-0003-2871-127X - first_name: P full_name: Arrabal Haro, P last_name: Arrabal Haro citation: ama: Santos S, Sobral D, Butterworth J, et al. The evolution of the UV luminosity and stellar mass functions of Lyman-α emitters from z ∼ 2 to z ∼ 6. Monthly Notices of the Royal Astronomical Society. 2021;505(1):1117-1134. doi:10.1093/mnras/stab1218 apa: Santos, S., Sobral, D., Butterworth, J., Paulino-Afonso, A., Ribeiro, B., da Cunha, E., … Arrabal Haro, P. (2021). The evolution of the UV luminosity and stellar mass functions of Lyman-α emitters from z ∼ 2 to z ∼ 6. Monthly Notices of the Royal Astronomical Society. Oxford University Press. https://doi.org/10.1093/mnras/stab1218 chicago: Santos, S, D Sobral, J Butterworth, A Paulino-Afonso, B Ribeiro, E da Cunha, J Calhau, A A Khostovan, Jorryt J Matthee, and P Arrabal Haro. “The Evolution of the UV Luminosity and Stellar Mass Functions of Lyman-α Emitters from z ∼ 2 to z ∼ 6.” Monthly Notices of the Royal Astronomical Society. Oxford University Press, 2021. https://doi.org/10.1093/mnras/stab1218. ieee: S. Santos et al., “The evolution of the UV luminosity and stellar mass functions of Lyman-α emitters from z ∼ 2 to z ∼ 6,” Monthly Notices of the Royal Astronomical Society, vol. 505, no. 1. Oxford University Press, pp. 1117–1134, 2021. ista: Santos S, Sobral D, Butterworth J, Paulino-Afonso A, Ribeiro B, da Cunha E, Calhau J, Khostovan AA, Matthee JJ, Arrabal Haro P. 2021. The evolution of the UV luminosity and stellar mass functions of Lyman-α emitters from z ∼ 2 to z ∼ 6. Monthly Notices of the Royal Astronomical Society. 505(1), 1117–1134. mla: Santos, S., et al. “The Evolution of the UV Luminosity and Stellar Mass Functions of Lyman-α Emitters from z ∼ 2 to z ∼ 6.” Monthly Notices of the Royal Astronomical Society, vol. 505, no. 1, Oxford University Press, 2021, pp. 1117–34, doi:10.1093/mnras/stab1218. short: S. Santos, D. Sobral, J. Butterworth, A. Paulino-Afonso, B. Ribeiro, E. da Cunha, J. Calhau, A.A. Khostovan, J.J. Matthee, P. Arrabal Haro, Monthly Notices of the Royal Astronomical Society 505 (2021) 1117–1134. date_created: 2022-07-07T10:02:59Z date_published: 2021-07-01T00:00:00Z date_updated: 2022-08-18T10:51:47Z day: '01' doi: 10.1093/mnras/stab1218 extern: '1' external_id: arxiv: - '2105.00007' intvolume: ' 505' issue: '1' keyword: - Space and Planetary Science - Astronomy and Astrophysics - 'galaxies: evolution' - 'galaxies: high-redshift' - 'galaxies: luminosity function' - mass function language: - iso: eng main_file_link: - open_access: '1' url: https://arxiv.org/abs/2105.00007 month: '07' oa: 1 oa_version: Preprint page: 1117-1134 publication: Monthly Notices of the Royal Astronomical Society publication_identifier: eissn: - 1365-2966 issn: - 0035-8711 publication_status: published publisher: Oxford University Press quality_controlled: '1' scopus_import: '1' status: public title: The evolution of the UV luminosity and stellar mass functions of Lyman-α emitters from z ∼ 2 to z ∼ 6 type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 505 year: '2021' ... --- _id: '10406' abstract: - lang: eng text: Multicellular organisms develop complex shapes from much simpler, single-celled zygotes through a process commonly called morphogenesis. Morphogenesis involves an interplay between several factors, ranging from the gene regulatory networks determining cell fate and differentiation to the mechanical processes underlying cell and tissue shape changes. Thus, the study of morphogenesis has historically been based on multidisciplinary approaches at the interface of biology with physics and mathematics. Recent technological advances have further improved our ability to study morphogenesis by bridging the gap between the genetic and biophysical factors through the development of new tools for visualizing, analyzing, and perturbing these factors and their biochemical intermediaries. Here, we review how a combination of genetic, microscopic, biophysical, and biochemical approaches has aided our attempts to understand morphogenesis and discuss potential approaches that may be beneficial to such an inquiry in the future. acknowledgement: The authors would like to thank Feyza Nur Arslan, Suyash Naik, Diana Pinheiro, Alexandra Schauer, and Shayan Shamipour for their comments on the draft. N.M. is supported by an ISTplus postdoctoral fellowship (H2020 Marie-Sklodowska-Curie COFUND Action). article_processing_charge: No article_type: original author: - first_name: Nikhil full_name: Mishra, Nikhil id: C4D70E82-1081-11EA-B3ED-9A4C3DDC885E last_name: Mishra orcid: 0000-0002-6425-5788 - first_name: Carl-Philipp J full_name: Heisenberg, Carl-Philipp J id: 39427864-F248-11E8-B48F-1D18A9856A87 last_name: Heisenberg orcid: 0000-0002-0912-4566 citation: ama: Mishra N, Heisenberg C-PJ. Dissecting organismal morphogenesis by bridging genetics and biophysics. Annual Review of Genetics. 2021;55:209-233. doi:10.1146/annurev-genet-071819-103748 apa: Mishra, N., & Heisenberg, C.-P. J. (2021). Dissecting organismal morphogenesis by bridging genetics and biophysics. Annual Review of Genetics. Annual Reviews. https://doi.org/10.1146/annurev-genet-071819-103748 chicago: Mishra, Nikhil, and Carl-Philipp J Heisenberg. “Dissecting Organismal Morphogenesis by Bridging Genetics and Biophysics.” Annual Review of Genetics. Annual Reviews, 2021. https://doi.org/10.1146/annurev-genet-071819-103748. ieee: N. Mishra and C.-P. J. Heisenberg, “Dissecting organismal morphogenesis by bridging genetics and biophysics,” Annual Review of Genetics, vol. 55. Annual Reviews, pp. 209–233, 2021. ista: Mishra N, Heisenberg C-PJ. 2021. Dissecting organismal morphogenesis by bridging genetics and biophysics. Annual Review of Genetics. 55, 209–233. mla: Mishra, Nikhil, and Carl-Philipp J. Heisenberg. “Dissecting Organismal Morphogenesis by Bridging Genetics and Biophysics.” Annual Review of Genetics, vol. 55, Annual Reviews, 2021, pp. 209–33, doi:10.1146/annurev-genet-071819-103748. short: N. Mishra, C.-P.J. Heisenberg, Annual Review of Genetics 55 (2021) 209–233. date_created: 2021-12-05T23:01:41Z date_published: 2021-08-30T00:00:00Z date_updated: 2023-08-14T13:05:13Z day: '30' department: - _id: CaHe doi: 10.1146/annurev-genet-071819-103748 ec_funded: 1 external_id: isi: - '000747220900010' pmid: - '34460295' intvolume: ' 55' isi: 1 keyword: - morphogenesis - forward genetics - high-resolution microscopy - biophysics - biochemistry - patterning language: - iso: eng month: '08' oa_version: None page: 209-233 pmid: 1 project: - _id: 260C2330-B435-11E9-9278-68D0E5697425 call_identifier: H2020 grant_number: '754411' name: ISTplus - Postdoctoral Fellowships publication: Annual Review of Genetics publication_identifier: eissn: - 1545-2948 issn: - 0066-4197 publication_status: published publisher: Annual Reviews quality_controlled: '1' scopus_import: '1' status: public title: Dissecting organismal morphogenesis by bridging genetics and biophysics type: journal_article user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8 volume: 55 year: '2021' ... --- _id: '11501' abstract: - lang: eng text: We investigated the ultraviolet (UV) spectral properties of faint Lyman-α emitters (LAEs) in the redshift range 2.9 ≤ z ≤ 4.6, and we provide material to prepare future observations of the faint Universe. We used data from the MUSE Hubble Ultra Deep Survey to construct mean rest-frame spectra of continuum-faint (median MUV of −18 and down to MUV of −16), low stellar mass (median value of 108.4 M⊙ and down to 107 M⊙) LAEs at redshift z ≳ 3. We computed various averaged spectra of LAEs, subsampled on the basis of their observational (e.g., Lyα strength, UV magnitude and spectral slope) and physical (e.g., stellar mass and star-formation rate) properties. We searched for UV spectral features other than Lyα, such as higher ionization nebular emission lines and absorption features. We successfully observed the O III]λ1666 and [C III]λ1907+C III]λ1909 collisionally excited emission lines and the He IIλ1640 recombination feature, as well as the resonant C IVλλ1548,1551 doublet either in emission or P-Cygni. We compared the observed spectral properties of the different mean spectra and find the emission lines to vary with the observational and physical properties of the LAEs. In particular, the mean spectra of LAEs with larger Lyα equivalent widths, fainter UV magnitudes, bluer UV spectral slopes, and lower stellar masses show the strongest nebular emission. The line ratios of these lines are similar to those measured in the spectra of local metal-poor galaxies, while their equivalent widths are weaker compared to the handful of extreme values detected in individual spectra of z > 2 galaxies. This suggests that weak UV features are likely ubiquitous in high z, low-mass, and faint LAEs. We publicly released the stacked spectra, as they can serve as empirical templates for the design of future observations, such as those with the James Webb Space Telescope and the Extremely Large Telescope. acknowledgement: 'We thank Margherita Talia, Stéphane Charlot, Adele Plat and Alba Vidal-García for helpful discussions. This work is supported by the ERC advanced grant 339659-MUSICOS (R. Bacon). AF acknowledges the support from grant PRIN MIUR 2017 20173ML3WW. MVM and JP would like to thank the Leiden/ESA Astrophysics Program for Summer Students (LEAPS) for funding at the outset of this project. FL, HK, and AV acknowledge support from the ERC starting grant ERC-757258-TRIPLE. TH was supported by Leading Initiative for Excellent Young Researchers, MEXT, Japan. JB acknowledges support by FCT/MCTES through national funds by the grant UID/FIS/04434/2019, UIDB/04434/2020 and UIDP/04434/2020 and through the Investigador FCT Contract No. IF/01654/2014/CP1215/CT0003. HI acknowledges support from JSPS KAKENHI Grant Number JP19K23462. We would also like to thank the organizers and participants of the Leiden Lorentz Center workshop: Revolutionary Spectroscopy of Today as a Springboard to Webb. This work made use of several open source python packages: NUMPY (van der Walt et al. 2011), MATPLOTLIB (Hunter 2007), ASTROPY (Astropy Collaboration 2013) and MPDAF (MUSE Python Data Analysis Framework, Piqueras et al. 2019).' article_number: A118 article_processing_charge: No article_type: original arxiv: 1 author: - first_name: Anna full_name: Feltre, Anna last_name: Feltre - first_name: Michael V. full_name: Maseda, Michael V. last_name: Maseda - first_name: Roland full_name: Bacon, Roland last_name: Bacon - first_name: Jayadev full_name: Pradeep, Jayadev last_name: Pradeep - first_name: Floriane full_name: Leclercq, Floriane last_name: Leclercq - first_name: Haruka full_name: Kusakabe, Haruka last_name: Kusakabe - first_name: Lutz full_name: Wisotzki, Lutz last_name: Wisotzki - first_name: Takuya full_name: Hashimoto, Takuya last_name: Hashimoto - first_name: Kasper B. full_name: Schmidt, Kasper B. last_name: Schmidt - first_name: Jeremy full_name: Blaizot, Jeremy last_name: Blaizot - first_name: Jarle full_name: Brinchmann, Jarle last_name: Brinchmann - first_name: Leindert full_name: Boogaard, Leindert last_name: Boogaard - first_name: Sebastiano full_name: Cantalupo, Sebastiano last_name: Cantalupo - first_name: David full_name: Carton, David last_name: Carton - first_name: Hanae full_name: Inami, Hanae last_name: Inami - first_name: Wolfram full_name: Kollatschny, Wolfram last_name: Kollatschny - first_name: Raffaella A. full_name: Marino, Raffaella A. last_name: Marino - first_name: Jorryt J full_name: Matthee, Jorryt J id: 7439a258-f3c0-11ec-9501-9df22fe06720 last_name: Matthee orcid: 0000-0003-2871-127X - first_name: Themiya full_name: Nanayakkara, Themiya last_name: Nanayakkara - first_name: Johan full_name: Richard, Johan last_name: Richard - first_name: Joop full_name: Schaye, Joop last_name: Schaye - first_name: Laurence full_name: Tresse, Laurence last_name: Tresse - first_name: Tanya full_name: Urrutia, Tanya last_name: Urrutia - first_name: Anne full_name: Verhamme, Anne last_name: Verhamme - first_name: Peter M. full_name: Weilbacher, Peter M. last_name: Weilbacher citation: ama: 'Feltre A, Maseda MV, Bacon R, et al. The MUSE Hubble Ultra Deep Field Survey: XV. The mean rest-UV spectra of Lyα emitters at z > 3. Astronomy & Astrophysics. 2020;641. doi:10.1051/0004-6361/202038133' apa: 'Feltre, A., Maseda, M. V., Bacon, R., Pradeep, J., Leclercq, F., Kusakabe, H., … Weilbacher, P. M. (2020). The MUSE Hubble Ultra Deep Field Survey: XV. The mean rest-UV spectra of Lyα emitters at z > 3. Astronomy & Astrophysics. EDP Sciences. https://doi.org/10.1051/0004-6361/202038133' chicago: 'Feltre, Anna, Michael V. Maseda, Roland Bacon, Jayadev Pradeep, Floriane Leclercq, Haruka Kusakabe, Lutz Wisotzki, et al. “The MUSE Hubble Ultra Deep Field Survey: XV. The Mean Rest-UV Spectra of Lyα Emitters at z > 3.” Astronomy & Astrophysics. EDP Sciences, 2020. https://doi.org/10.1051/0004-6361/202038133.' ieee: 'A. Feltre et al., “The MUSE Hubble Ultra Deep Field Survey: XV. The mean rest-UV spectra of Lyα emitters at z > 3,” Astronomy & Astrophysics, vol. 641. EDP Sciences, 2020.' ista: 'Feltre A, Maseda MV, Bacon R, Pradeep J, Leclercq F, Kusakabe H, Wisotzki L, Hashimoto T, Schmidt KB, Blaizot J, Brinchmann J, Boogaard L, Cantalupo S, Carton D, Inami H, Kollatschny W, Marino RA, Matthee JJ, Nanayakkara T, Richard J, Schaye J, Tresse L, Urrutia T, Verhamme A, Weilbacher PM. 2020. The MUSE Hubble Ultra Deep Field Survey: XV. The mean rest-UV spectra of Lyα emitters at z > 3. Astronomy & Astrophysics. 641, A118.' mla: 'Feltre, Anna, et al. “The MUSE Hubble Ultra Deep Field Survey: XV. The Mean Rest-UV Spectra of Lyα Emitters at z > 3.” Astronomy & Astrophysics, vol. 641, A118, EDP Sciences, 2020, doi:10.1051/0004-6361/202038133.' short: A. Feltre, M.V. Maseda, R. Bacon, J. Pradeep, F. Leclercq, H. Kusakabe, L. Wisotzki, T. Hashimoto, K.B. Schmidt, J. Blaizot, J. Brinchmann, L. Boogaard, S. Cantalupo, D. Carton, H. Inami, W. Kollatschny, R.A. Marino, J.J. Matthee, T. Nanayakkara, J. Richard, J. Schaye, L. Tresse, T. Urrutia, A. Verhamme, P.M. Weilbacher, Astronomy & Astrophysics 641 (2020). date_created: 2022-07-06T09:38:16Z date_published: 2020-09-18T00:00:00Z date_updated: 2022-07-19T09:35:43Z day: '18' doi: 10.1051/0004-6361/202038133 extern: '1' external_id: arxiv: - '2007.01878' intvolume: ' 641' keyword: - Space and Planetary Science - Astronomy and Astrophysics - 'galaxies: evolution / galaxies: high-redshift / ISM: lines and bands / ultraviolet: ISM / ultraviolet: galaxies' language: - iso: eng main_file_link: - open_access: '1' url: https://arxiv.org/abs/2007.01878 month: '09' oa: 1 oa_version: Published Version publication: Astronomy & Astrophysics publication_identifier: eissn: - 1432-0746 issn: - 0004-6361 publication_status: published publisher: EDP Sciences quality_controlled: '1' scopus_import: '1' status: public title: 'The MUSE Hubble Ultra Deep Field Survey: XV. The mean rest-UV spectra of Lyα emitters at z > 3' type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 641 year: '2020' ... --- _id: '11503' abstract: - lang: eng text: "Context. The Lyα emitter (LAE) fraction, XLAE, is a potentially powerful probe of the evolution of the intergalactic neutral hydrogen gas fraction. However, uncertainties in the measurement of XLAE are still under debate.\r\nAims. Thanks to deep data obtained with the integral field spectrograph Multi Unit Spectroscopic Explorer (MUSE), we can measure the evolution of the LAE fraction homogeneously over a wide redshift range of z ≈ 3–6 for UV-faint galaxies (down to UV magnitudes of M1500 ≈ −17.75). This is a significantly fainter range than in former studies (M1500 ≤ −18.75) and it allows us to probe the bulk of the population of high-redshift star-forming galaxies.\r\nMethods. We constructed a UV-complete photometric-redshift sample following UV luminosity functions and measured the Lyα emission with MUSE using the latest (second) data release from the MUSE Hubble Ultra Deep Field Survey.\r\nResults. We derived the redshift evolution of XLAE for M1500 ∈ [ − 21.75; −17.75] for the first time with a equivalent width range EW(Lyα) ≥ 65 Å and found low values of XLAE ≲ 30% at z ≲ 6. The best-fit linear relation is XLAE = 0.07+0.06−0.03z − 0.22+0.12−0.24. For M1500 ∈ [ − 20.25; −18.75] and EW(Lyα) ≥ 25 Å, our XLAE values are consistent with those in the literature within 1σ at z ≲ 5, but our median values are systematically lower than reported values over the whole redshift range. In addition, we do not find a significant dependence of XLAE on M1500 for EW(Lyα) ≥ 50 Å at z ≈ 3–4, in contrast with previous work. The differences in XLAE mainly arise from selection biases for Lyman Break Galaxies (LBGs) in the literature: UV-faint LBGs are more easily selected if they have strong Lyα emission, hence XLAE is biased towards higher values when those samples are used.\r\nConclusions. Our results suggest either a lower increase of XLAE towards z ≈ 6 than previously suggested, or even a turnover of XLAE at z ≈ 5.5, which may be the signature of a late or patchy reionization process. We compared our results with predictions from a cosmological galaxy evolution model. We find that a model with a bursty star formation (SF) can reproduce our observed LAE fractions much better than models where SF is a smooth function of time." acknowledgement: We thank the anonymous referee for constructive comments and suggestions. We would like to express our gratitude to Stephane De Barros and Pablo Arrabal Haro for kindly providing their data plotted in Figs. 1, 2, and 8. We are grateful to Kazuhiro Shimasaku, Masami Ouchi, Rieko Momose, Daniel Schaerer, Hidenobu Yajima, Taku Okamura, Makoto Ando, and Hinako Goto for giving insightful comments and suggestions. This work is based on observations taken by VLT, which is operated by European Southern Observatory. This research made use of Astropy (http://www.astropy.org), which is a community-developed core Python package for Astronomy (Astropy Collaboration 2013, 2018), MARZ, MPDAF, and matplotlib (Hunter 2007). H.K. acknowledges support from Japan Society for the Promotion of Science (JSPS) through the JSPS Research Fellowship for Young Scientists and Overseas Challenge Program for Young Researchers. AV acknowledges support from the ERC starting grant 757258-TRIPLE and the SNF Professorship 176808-TRIPLE. This work was supported by the project FOGHAR (Agence Nationale de la Recherche, ANR-13-BS05-0010-02). JB acknowledges support from the ORAGE project from the Agence Nationale de la Recherche under grant ANR-14-CE33-0016-03. JR acknowledges support from the ERC starting grant 336736-CALENDS. T. H. acknowledges supports by the Grant-inAid for Scientic Research 19J01620. article_number: A12 article_processing_charge: No article_type: original arxiv: 1 author: - first_name: Haruka full_name: Kusakabe, Haruka last_name: Kusakabe - first_name: Jérémy full_name: Blaizot, Jérémy last_name: Blaizot - first_name: Thibault full_name: Garel, Thibault last_name: Garel - first_name: Anne full_name: Verhamme, Anne last_name: Verhamme - first_name: Roland full_name: Bacon, Roland last_name: Bacon - first_name: Johan full_name: Richard, Johan last_name: Richard - first_name: Takuya full_name: Hashimoto, Takuya last_name: Hashimoto - first_name: Hanae full_name: Inami, Hanae last_name: Inami - first_name: Simon full_name: Conseil, Simon last_name: Conseil - first_name: Bruno full_name: Guiderdoni, Bruno last_name: Guiderdoni - first_name: Alyssa B. full_name: Drake, Alyssa B. last_name: Drake - first_name: Edmund full_name: Christian Herenz, Edmund last_name: Christian Herenz - first_name: Joop full_name: Schaye, Joop last_name: Schaye - first_name: Pascal full_name: Oesch, Pascal last_name: Oesch - first_name: Jorryt J full_name: Matthee, Jorryt J id: 7439a258-f3c0-11ec-9501-9df22fe06720 last_name: Matthee orcid: 0000-0003-2871-127X - first_name: Raffaella full_name: Anna Marino, Raffaella last_name: Anna Marino - first_name: Kasper full_name: Borello Schmidt, Kasper last_name: Borello Schmidt - first_name: Roser full_name: Pelló, Roser last_name: Pelló - first_name: Michael full_name: Maseda, Michael last_name: Maseda - first_name: Floriane full_name: Leclercq, Floriane last_name: Leclercq - first_name: Josephine full_name: Kerutt, Josephine last_name: Kerutt - first_name: Guillaume full_name: Mahler, Guillaume last_name: Mahler citation: ama: 'Kusakabe H, Blaizot J, Garel T, et al. The MUSE Hubble Ultra Deep Field Survey: XIV. Evolution of the Lyα emitter fraction from z = 3 to z = 6. Astronomy & Astrophysics. 2020;638. doi:10.1051/0004-6361/201937340' apa: 'Kusakabe, H., Blaizot, J., Garel, T., Verhamme, A., Bacon, R., Richard, J., … Mahler, G. (2020). The MUSE Hubble Ultra Deep Field Survey: XIV. Evolution of the Lyα emitter fraction from z = 3 to z = 6. Astronomy & Astrophysics. EDP Sciences. https://doi.org/10.1051/0004-6361/201937340' chicago: 'Kusakabe, Haruka, Jérémy Blaizot, Thibault Garel, Anne Verhamme, Roland Bacon, Johan Richard, Takuya Hashimoto, et al. “The MUSE Hubble Ultra Deep Field Survey: XIV. Evolution of the Lyα Emitter Fraction from z = 3 to z = 6.” Astronomy & Astrophysics. EDP Sciences, 2020. https://doi.org/10.1051/0004-6361/201937340.' ieee: 'H. Kusakabe et al., “The MUSE Hubble Ultra Deep Field Survey: XIV. Evolution of the Lyα emitter fraction from z = 3 to z = 6,” Astronomy & Astrophysics, vol. 638. EDP Sciences, 2020.' ista: 'Kusakabe H, Blaizot J, Garel T, Verhamme A, Bacon R, Richard J, Hashimoto T, Inami H, Conseil S, Guiderdoni B, Drake AB, Christian Herenz E, Schaye J, Oesch P, Matthee JJ, Anna Marino R, Borello Schmidt K, Pelló R, Maseda M, Leclercq F, Kerutt J, Mahler G. 2020. The MUSE Hubble Ultra Deep Field Survey: XIV. Evolution of the Lyα emitter fraction from z = 3 to z = 6. Astronomy & Astrophysics. 638, A12.' mla: 'Kusakabe, Haruka, et al. “The MUSE Hubble Ultra Deep Field Survey: XIV. Evolution of the Lyα Emitter Fraction from z = 3 to z = 6.” Astronomy & Astrophysics, vol. 638, A12, EDP Sciences, 2020, doi:10.1051/0004-6361/201937340.' short: H. Kusakabe, J. Blaizot, T. Garel, A. Verhamme, R. Bacon, J. Richard, T. Hashimoto, H. Inami, S. Conseil, B. Guiderdoni, A.B. Drake, E. Christian Herenz, J. Schaye, P. Oesch, J.J. Matthee, R. Anna Marino, K. Borello Schmidt, R. Pelló, M. Maseda, F. Leclercq, J. Kerutt, G. Mahler, Astronomy & Astrophysics 638 (2020). date_created: 2022-07-06T09:50:48Z date_published: 2020-06-03T00:00:00Z date_updated: 2022-07-19T09:35:20Z day: '03' doi: 10.1051/0004-6361/201937340 extern: '1' external_id: arxiv: - '2003.12083' intvolume: ' 638' keyword: - Space and Planetary Science - Astronomy and Astrophysics - 'dark ages / reionization / first stars / early Universe / cosmology: observations / galaxies: evolution / galaxies: high-redshift / intergalactic medium' language: - iso: eng main_file_link: - open_access: '1' url: https://arxiv.org/abs/2003.12083 month: '06' oa: 1 oa_version: Published Version publication: Astronomy & Astrophysics publication_identifier: eissn: - 1432-0746 issn: - 0004-6361 publication_status: published publisher: EDP Sciences quality_controlled: '1' scopus_import: '1' status: public title: 'The MUSE Hubble Ultra Deep Field Survey: XIV. Evolution of the Lyα emitter fraction from z = 3 to z = 6' type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 638 year: '2020' ... --- _id: '11504' abstract: - lang: eng text: We present spatially resolved maps of six individually-detected Lyman α haloes (LAHs) as well as a first statistical analysis of the Lyman α (Lyα) spectral signature in the circum-galactic medium of high-redshift star-forming galaxies (−17.5 > MUV > −21.5) using the Multi-Unit Spectroscopic Explorer. Our resolved spectroscopic analysis of the LAHs reveals significant intrahalo variations of the Lyα line profile. Using a three-dimensional two-component model for the Lyα emission, we measured the full width at half maximum (FWHM), the peak velocity shift, and the asymmetry of the Lyα line in the core and in the halo of 19 galaxies. We find that the Lyα line shape is statistically different in the halo compared to the core (in terms of width, peak wavelength, and asymmetry) for ≈40% of our galaxies. Similarly to object-by-object based studies and a recent resolved study using lensing, we find a correlation between the peak velocity shift and the width of the Lyα line both at the interstellar and circum-galactic scales. This trend has been predicted by radiative transfer simulations of galactic winds as a result of resonant scattering in outflows. While there is a lack of correlation between the spectral properties and the spatial scale lengths of our LAHs, we find a correlation between the width of the line in the LAH and the halo flux fraction. Interestingly, UV bright galaxies (MUV < −20) show broader, more redshifted, and less asymmetric Lyα lines in their haloes. The most significant correlation found is for the FWHM of the line and the UV continuum slope of the galaxy, suggesting that the redder galaxies have broader Lyα lines. The generally broad and red line shapes found in the halo component suggest that the Lyα haloes are powered either by scattering processes through an outflowing medium, fluorescent emission from outflowing cold clumps of gas, or a mix of both. Considering the large diversity of the Lyα line profiles observed in our sample and the lack of strong correlation, the interpretation of our results is still broadly open and underlines the need for realistic spatially resolved models of the LAHs. acknowledgement: F.L., R.B., and S.C. acknowledge support from the ERC advanced grant 339659-MUSICOS. F.L., T.G., H.K., and A.V. acknowledge support from the ERC starting grant ERC-757258-TRIPLE. A.C. and J.R. acknowledge support from the ERC starting grant 336736-CALENDS. J.B. acknowledges support by FCT/MCTES through national funds (PID-DAC) by grant UID/FIS/04434/2019 and through Investigador FCT Contract No.IF/01654/2014/CP1215/CT0003. T.H. was supported by Leading Initiative for Excellent Young Researchers, MEXT, Japan. article_number: A82 article_processing_charge: No article_type: original arxiv: 1 author: - first_name: Floriane full_name: Leclercq, Floriane last_name: Leclercq - first_name: Roland full_name: Bacon, Roland last_name: Bacon - first_name: Anne full_name: Verhamme, Anne last_name: Verhamme - first_name: Thibault full_name: Garel, Thibault last_name: Garel - first_name: Jérémy full_name: Blaizot, Jérémy last_name: Blaizot - first_name: Jarle full_name: Brinchmann, Jarle last_name: Brinchmann - first_name: Sebastiano full_name: Cantalupo, Sebastiano last_name: Cantalupo - first_name: Adélaïde full_name: Claeyssens, Adélaïde last_name: Claeyssens - first_name: Simon full_name: Conseil, Simon last_name: Conseil - first_name: Thierry full_name: Contini, Thierry last_name: Contini - first_name: Takuya full_name: Hashimoto, Takuya last_name: Hashimoto - first_name: Edmund Christian full_name: Herenz, Edmund Christian last_name: Herenz - first_name: Haruka full_name: Kusakabe, Haruka last_name: Kusakabe - first_name: Raffaella Anna full_name: Marino, Raffaella Anna last_name: Marino - first_name: Michael full_name: Maseda, Michael last_name: Maseda - first_name: Jorryt J full_name: Matthee, Jorryt J id: 7439a258-f3c0-11ec-9501-9df22fe06720 last_name: Matthee orcid: 0000-0003-2871-127X - first_name: Peter full_name: Mitchell, Peter last_name: Mitchell - first_name: Gabriele full_name: Pezzulli, Gabriele last_name: Pezzulli - first_name: Johan full_name: Richard, Johan last_name: Richard - first_name: Kasper Borello full_name: Schmidt, Kasper Borello last_name: Schmidt - first_name: Lutz full_name: Wisotzki, Lutz last_name: Wisotzki citation: ama: 'Leclercq F, Bacon R, Verhamme A, et al. The MUSE Hubble Ultra Deep field survey: XIII. Spatially resolved spectral properties of Lyman α haloes around star-forming galaxies at z > 3. Astronomy & Astrophysics. 2020;635. doi:10.1051/0004-6361/201937339' apa: 'Leclercq, F., Bacon, R., Verhamme, A., Garel, T., Blaizot, J., Brinchmann, J., … Wisotzki, L. (2020). The MUSE Hubble Ultra Deep field survey: XIII. Spatially resolved spectral properties of Lyman α haloes around star-forming galaxies at z > 3. Astronomy & Astrophysics. EDP Sciences. https://doi.org/10.1051/0004-6361/201937339' chicago: 'Leclercq, Floriane, Roland Bacon, Anne Verhamme, Thibault Garel, Jérémy Blaizot, Jarle Brinchmann, Sebastiano Cantalupo, et al. “The MUSE Hubble Ultra Deep Field Survey: XIII. Spatially Resolved Spectral Properties of Lyman α Haloes around Star-Forming Galaxies at z > 3.” Astronomy & Astrophysics. EDP Sciences, 2020. https://doi.org/10.1051/0004-6361/201937339.' ieee: 'F. Leclercq et al., “The MUSE Hubble Ultra Deep field survey: XIII. Spatially resolved spectral properties of Lyman α haloes around star-forming galaxies at z > 3,” Astronomy & Astrophysics, vol. 635. EDP Sciences, 2020.' ista: 'Leclercq F, Bacon R, Verhamme A, Garel T, Blaizot J, Brinchmann J, Cantalupo S, Claeyssens A, Conseil S, Contini T, Hashimoto T, Herenz EC, Kusakabe H, Marino RA, Maseda M, Matthee JJ, Mitchell P, Pezzulli G, Richard J, Schmidt KB, Wisotzki L. 2020. The MUSE Hubble Ultra Deep field survey: XIII. Spatially resolved spectral properties of Lyman α haloes around star-forming galaxies at z > 3. Astronomy & Astrophysics. 635, A82.' mla: 'Leclercq, Floriane, et al. “The MUSE Hubble Ultra Deep Field Survey: XIII. Spatially Resolved Spectral Properties of Lyman α Haloes around Star-Forming Galaxies at z > 3.” Astronomy & Astrophysics, vol. 635, A82, EDP Sciences, 2020, doi:10.1051/0004-6361/201937339.' short: F. Leclercq, R. Bacon, A. Verhamme, T. Garel, J. Blaizot, J. Brinchmann, S. Cantalupo, A. Claeyssens, S. Conseil, T. Contini, T. Hashimoto, E.C. Herenz, H. Kusakabe, R.A. Marino, M. Maseda, J.J. Matthee, P. Mitchell, G. Pezzulli, J. Richard, K.B. Schmidt, L. Wisotzki, Astronomy & Astrophysics 635 (2020). date_created: 2022-07-06T09:56:20Z date_published: 2020-03-11T00:00:00Z date_updated: 2022-07-19T09:36:58Z day: '11' doi: 10.1051/0004-6361/201937339 extern: '1' external_id: arxiv: - '2002.05731' intvolume: ' 635' keyword: - Space and Planetary Science - 'Astronomy and Astrophysics galaxies: high-redshift / galaxies: formation / galaxies: evolution / cosmology: observations' language: - iso: eng main_file_link: - open_access: '1' url: https://arxiv.org/abs/2002.05731 month: '03' oa: 1 oa_version: Published Version publication: Astronomy & Astrophysics publication_identifier: eissn: - 1432-0746 issn: - 0004-6361 publication_status: published publisher: EDP Sciences quality_controlled: '1' scopus_import: '1' status: public title: 'The MUSE Hubble Ultra Deep field survey: XIII. Spatially resolved spectral properties of Lyman α haloes around star-forming galaxies at z > 3' type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 635 year: '2020' ... --- _id: '11528' abstract: - lang: eng text: Ly α emission lines are typically found to be redshifted with respect to the systemic redshifts of galaxies, likely due to resonant scattering of Ly α photons. Here, we measure the average velocity offset for a sample of 96 z ≈ 3.3 Ly α emitters (LAEs) with a median Ly α flux (luminosity) of ≈10−17 erg cm−2 s−1 (⁠≈1042 erg s−1⁠) and a median star formation rate (SFR) of ≈1.3 M⊙ yr−1 (not corrected for possible dust extinction), detected by the Multi-Unit Spectroscopic Explorer as part of our MUSEQuBES circumgalactic medium (CGM) survey. By postulating that the stacked CGM absorption profiles of these LAEs, probed by eight background quasars, must be centred on the systemic redshift, we measure an average velocity offset, Voffset = 171\pm 8 km s−1, between the Ly α emission peak and the systemic redshift. The observed Voffset is lower by factors of ≈1.4 and ≈2.6 compared to the velocity offsets measured for narrow-band-selected LAEs and Lyman break galaxies, respectively, which probe galaxies with higher masses and SFRs. Consistent with earlier studies based on direct measurements for individual objects, we find that the Voffset is correlated with the full width at half-maximum of the red peak of the Ly α line, and anticorrelated with the rest-frame equivalent width. Moreover, we find that Voffset is correlated with SFR with a sub-linear scaling relation, Voffset∝SFR0.16±0.03⁠. Adopting the mass scaling for main-sequence galaxies, such a relation suggests that Voffset scales with the circular velocity of the dark matter haloes hosting the LAEs. acknowledgement: 'We thank the anonymous referee for useful suggestions. This study is based on observations collected at the European Organisation for Astronomical Research in the Southern Hemisphere under ESO programme(s): 094.A-0131(B), 095.A 0200(A), 096.A0222(A), 097.A-0089(A), and 099.A-0159(A). SM acknowledges support from the Alexander von Humboldt Foundation, Germany. SM thanks Christian Herenz for useful discussion. SC gratefully acknowledges support from Swiss National Science Foundation grant PP00P2 163824. JB acknowledges support by FCT/MCTES through national funds by grant UID/FIS/04434/2019 and through Investigador FCT Contract No. IF/01654/2014/CP1215/CT0003. NB and JZ acknowledge support from ANR grant ANR-17-CE31- 0017 (3DGasFlows). AC and JR acknowledge support from the ERC starting grant 336736-CALENDS. MA acknowledges support from European Union’s H2020 Marie Skłodowska-Curie Actions grant 721463 to the SUNDIAL ITN, and from the Spanish Ministry of Economy and Competitiveness (MINECO) under grant number AYA2016-76219-P. MA also acknowledges support from the Fundacion BBVA under its 2017 programme of assistance to ´scientific research groups, for the project ‘Using machine-learning techniques to drag galaxies from the noise in deep imaging’. FL and AV acknowledge support from the ERC starting grant ERC757258-TRIPLE.' article_processing_charge: No article_type: original arxiv: 1 author: - first_name: Sowgat full_name: Muzahid, Sowgat last_name: Muzahid - first_name: Joop full_name: Schaye, Joop last_name: Schaye - first_name: Raffaella Anna full_name: Marino, Raffaella Anna last_name: Marino - first_name: Sebastiano full_name: Cantalupo, Sebastiano last_name: Cantalupo - first_name: Jarle full_name: Brinchmann, Jarle last_name: Brinchmann - first_name: Thierry full_name: Contini, Thierry last_name: Contini - first_name: Martin full_name: Wendt, Martin last_name: Wendt - first_name: Lutz full_name: Wisotzki, Lutz last_name: Wisotzki - first_name: Johannes full_name: Zabl, Johannes last_name: Zabl - first_name: Nicolas full_name: Bouché, Nicolas last_name: Bouché - first_name: Mohammad full_name: Akhlaghi, Mohammad last_name: Akhlaghi - first_name: Hsiao-Wen full_name: Chen, Hsiao-Wen last_name: Chen - first_name: Adélaîde full_name: Claeyssens, Adélaîde last_name: Claeyssens - first_name: Sean full_name: Johnson, Sean last_name: Johnson - first_name: Floriane full_name: Leclercq, Floriane last_name: Leclercq - first_name: Michael full_name: Maseda, Michael last_name: Maseda - first_name: Jorryt J full_name: Matthee, Jorryt J id: 7439a258-f3c0-11ec-9501-9df22fe06720 last_name: Matthee orcid: 0000-0003-2871-127X - first_name: Johan full_name: Richard, Johan last_name: Richard - first_name: Tanya full_name: Urrutia, Tanya last_name: Urrutia - first_name: Anne full_name: Verhamme, Anne last_name: Verhamme citation: ama: 'Muzahid S, Schaye J, Marino RA, et al. MUSEQuBES: Calibrating the redshifts of Lyα emitters using stacked circumgalactic medium absorption profiles. Monthly Notices of the Royal Astronomical Society. 2020;496(2):1013-1022. doi:10.1093/mnras/staa1347' apa: 'Muzahid, S., Schaye, J., Marino, R. A., Cantalupo, S., Brinchmann, J., Contini, T., … Verhamme, A. (2020). MUSEQuBES: Calibrating the redshifts of Lyα emitters using stacked circumgalactic medium absorption profiles. Monthly Notices of the Royal Astronomical Society. Oxford University Press. https://doi.org/10.1093/mnras/staa1347' chicago: 'Muzahid, Sowgat, Joop Schaye, Raffaella Anna Marino, Sebastiano Cantalupo, Jarle Brinchmann, Thierry Contini, Martin Wendt, et al. “MUSEQuBES: Calibrating the Redshifts of Lyα Emitters Using Stacked Circumgalactic Medium Absorption Profiles.” Monthly Notices of the Royal Astronomical Society. Oxford University Press, 2020. https://doi.org/10.1093/mnras/staa1347.' ieee: 'S. Muzahid et al., “MUSEQuBES: Calibrating the redshifts of Lyα emitters using stacked circumgalactic medium absorption profiles,” Monthly Notices of the Royal Astronomical Society, vol. 496, no. 2. Oxford University Press, pp. 1013–1022, 2020.' ista: 'Muzahid S, Schaye J, Marino RA, Cantalupo S, Brinchmann J, Contini T, Wendt M, Wisotzki L, Zabl J, Bouché N, Akhlaghi M, Chen H-W, Claeyssens A, Johnson S, Leclercq F, Maseda M, Matthee JJ, Richard J, Urrutia T, Verhamme A. 2020. MUSEQuBES: Calibrating the redshifts of Lyα emitters using stacked circumgalactic medium absorption profiles. Monthly Notices of the Royal Astronomical Society. 496(2), 1013–1022.' mla: 'Muzahid, Sowgat, et al. “MUSEQuBES: Calibrating the Redshifts of Lyα Emitters Using Stacked Circumgalactic Medium Absorption Profiles.” Monthly Notices of the Royal Astronomical Society, vol. 496, no. 2, Oxford University Press, 2020, pp. 1013–22, doi:10.1093/mnras/staa1347.' short: S. Muzahid, J. Schaye, R.A. Marino, S. Cantalupo, J. Brinchmann, T. Contini, M. Wendt, L. Wisotzki, J. Zabl, N. Bouché, M. Akhlaghi, H.-W. Chen, A. Claeyssens, S. Johnson, F. Leclercq, M. Maseda, J.J. Matthee, J. Richard, T. Urrutia, A. Verhamme, Monthly Notices of the Royal Astronomical Society 496 (2020) 1013–1022. date_created: 2022-07-07T10:20:11Z date_published: 2020-08-01T00:00:00Z date_updated: 2022-08-18T11:00:24Z day: '01' doi: 10.1093/mnras/staa1347 extern: '1' external_id: arxiv: - '1910.03593' intvolume: ' 496' issue: '2' keyword: - Space and Planetary Science - Astronomy and Astrophysics - 'galaxies: haloes' - 'galaxies: high-redshift' - 'quasars: absorption lines' language: - iso: eng main_file_link: - open_access: '1' url: https://arxiv.org/abs/1910.03593 month: '08' oa: 1 oa_version: Preprint page: 1013-1022 publication: Monthly Notices of the Royal Astronomical Society publication_identifier: eissn: - 1365-2966 issn: - 0035-8711 publication_status: published publisher: Oxford University Press quality_controlled: '1' related_material: link: - relation: erratum url: https://doi.org/10.1093/mnras/staa2668 scopus_import: '1' status: public title: 'MUSEQuBES: Calibrating the redshifts of Lyα emitters using stacked circumgalactic medium absorption profiles' type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 496 year: '2020' ... --- _id: '11529' abstract: - lang: eng text: CR7 is among the most luminous Ly α emitters (LAEs) known at z = 6.6 and consists of at least three UV components that are surrounded by Ly α emission. Previous studies have suggested that it may host an extreme ionizing source. Here, we present deep integral field spectroscopy of CR7 with VLT/Multi Unit Spectroscopic Explorer (MUSE). We measure extended emission with a similar halo scale length as typical LAEs at z ≈ 5. CR7’s Ly α halo is clearly elongated along the direction connecting the multiple components, likely tracing the underlying gas distribution. The Ly α emission originates almost exclusively from the brightest UV component, but we also identify a faint kinematically distinct Ly α emitting region nearby a fainter component. Combined with new near-infrared data, the MUSE data show that the rest-frame Ly α equivalent width (EW) is ≈100 Å. This is a factor 4 higher than the EW measured in low-redshift analogues with carefully matched Ly α profiles (and thus arguably H I column density), but this EW can plausibly be explained by star formation. Alternative scenarios requiring active galactic nucleus (AGN) powering are also disfavoured by the narrower and steeper Ly α spectrum and much smaller IR to UV ratio compared to obscured AGN in other Ly α blobs. CR7’s Ly α emission, while extremely luminous, resembles the emission in more common LAEs at lower redshifts very well and is likely powered by a young metal-poor starburst. article_processing_charge: No article_type: original arxiv: 1 author: - first_name: Jorryt J full_name: Matthee, Jorryt J id: 7439a258-f3c0-11ec-9501-9df22fe06720 last_name: Matthee orcid: 0000-0003-2871-127X - first_name: Gabriele full_name: Pezzulli, Gabriele last_name: Pezzulli - first_name: Ruari full_name: Mackenzie, Ruari last_name: Mackenzie - first_name: Sebastiano full_name: Cantalupo, Sebastiano last_name: Cantalupo - first_name: Haruka full_name: Kusakabe, Haruka last_name: Kusakabe - first_name: Floriane full_name: Leclercq, Floriane last_name: Leclercq - first_name: David full_name: Sobral, David last_name: Sobral - first_name: Johan full_name: Richard, Johan last_name: Richard - first_name: Lutz full_name: Wisotzki, Lutz last_name: Wisotzki - first_name: Simon full_name: Lilly, Simon last_name: Lilly - first_name: Leindert full_name: Boogaard, Leindert last_name: Boogaard - first_name: Raffaella full_name: Marino, Raffaella last_name: Marino - first_name: Michael full_name: Maseda, Michael last_name: Maseda - first_name: Themiya full_name: Nanayakkara, Themiya last_name: Nanayakkara citation: ama: 'Matthee JJ, Pezzulli G, Mackenzie R, et al. The nature of CR7 revealed with MUSE: A young starburst powering extended Ly α emission at z = 6.6. Monthly Notices of the Royal Astronomical Society. 2020;498(2):3043-3059. doi:10.1093/mnras/staa2550' apa: 'Matthee, J. J., Pezzulli, G., Mackenzie, R., Cantalupo, S., Kusakabe, H., Leclercq, F., … Nanayakkara, T. (2020). The nature of CR7 revealed with MUSE: A young starburst powering extended Ly α emission at z = 6.6. Monthly Notices of the Royal Astronomical Society. Oxford University Press. https://doi.org/10.1093/mnras/staa2550' chicago: 'Matthee, Jorryt J, Gabriele Pezzulli, Ruari Mackenzie, Sebastiano Cantalupo, Haruka Kusakabe, Floriane Leclercq, David Sobral, et al. “The Nature of CR7 Revealed with MUSE: A Young Starburst Powering Extended Ly α Emission at z = 6.6.” Monthly Notices of the Royal Astronomical Society. Oxford University Press, 2020. https://doi.org/10.1093/mnras/staa2550.' ieee: 'J. J. Matthee et al., “The nature of CR7 revealed with MUSE: A young starburst powering extended Ly α emission at z = 6.6,” Monthly Notices of the Royal Astronomical Society, vol. 498, no. 2. Oxford University Press, pp. 3043–3059, 2020.' ista: 'Matthee JJ, Pezzulli G, Mackenzie R, Cantalupo S, Kusakabe H, Leclercq F, Sobral D, Richard J, Wisotzki L, Lilly S, Boogaard L, Marino R, Maseda M, Nanayakkara T. 2020. The nature of CR7 revealed with MUSE: A young starburst powering extended Ly α emission at z = 6.6. Monthly Notices of the Royal Astronomical Society. 498(2), 3043–3059.' mla: 'Matthee, Jorryt J., et al. “The Nature of CR7 Revealed with MUSE: A Young Starburst Powering Extended Ly α Emission at z = 6.6.” Monthly Notices of the Royal Astronomical Society, vol. 498, no. 2, Oxford University Press, 2020, pp. 3043–59, doi:10.1093/mnras/staa2550.' short: J.J. Matthee, G. Pezzulli, R. Mackenzie, S. Cantalupo, H. Kusakabe, F. Leclercq, D. Sobral, J. Richard, L. Wisotzki, S. Lilly, L. Boogaard, R. Marino, M. Maseda, T. Nanayakkara, Monthly Notices of the Royal Astronomical Society 498 (2020) 3043–3059. date_created: 2022-07-07T10:36:01Z date_published: 2020-10-01T00:00:00Z date_updated: 2022-08-18T11:04:05Z day: '01' doi: 10.1093/mnras/staa2550 extern: '1' external_id: arxiv: - '2008.01731' intvolume: ' 498' issue: '2' keyword: - Space and Planetary Science - Astronomy and Astrophysics - 'galaxies: evolution' - 'galaxies: high-redshift' - dark ages - reionization - first stars - 'cosmology: observations' language: - iso: eng main_file_link: - open_access: '1' url: https://arxiv.org/abs/2008.01731 month: '10' oa: 1 oa_version: Preprint page: 3043-3059 publication: Monthly Notices of the Royal Astronomical Society publication_identifier: eissn: - 1365-2966 issn: - 0035-8711 publication_status: published publisher: Oxford University Press quality_controlled: '1' scopus_import: '1' status: public title: 'The nature of CR7 revealed with MUSE: A young starburst powering extended Ly α emission at z = 6.6' type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 498 year: '2020' ... --- _id: '11530' abstract: - lang: eng text: A prediction of the classic active galactic nucleus (AGN) unification model is the presence of ionization cones with different orientations depending on the AGN type. Confirmations of this model exist for present times, but it is less clear in the early Universe. Here, we use the morphology of giant Ly α nebulae around AGNs at redshift z ∼ 3 to probe AGN emission and therefore the validity of the AGN unification model at this redshift. We compare the spatial morphology of 19 nebulae previously found around type I AGNs with a new sample of four Ly α nebulae detected around type II AGNs. Using two independent techniques, we find that nebulae around type II AGNs are more asymmetric than around type I, at least at radial distances r > 30 physical kpc (pkpc) from the ionizing source. We conclude that the type I and type II AGNs in our sample show evidence of different surrounding ionizing geometries. This suggests that the classical AGN unification model is also valid for high-redshift sources. Finally, we discuss how the lack of asymmetry in the inner parts (r ≲ 30 pkpc) and the associated high values of the He II to Ly α ratios in these regions could indicate additional sources of (hard) ionizing radiation originating within or in proximity of the AGN host galaxies. This work demonstrates that the morphologies of giant Ly α nebulae can be used to understand and study the geometry of high-redshift AGNs on circumnuclear scales and it lays the foundation for future studies using much larger statistical samples. acknowledgement: SC and GP gratefully acknowledge support from Swiss National Science Foundation grant PP00P2 163824. MK acknowledges support by DLR500R1904. article_processing_charge: No article_type: original arxiv: 1 author: - first_name: J S full_name: den Brok, J S last_name: den Brok - first_name: S full_name: Cantalupo, S last_name: Cantalupo - first_name: R full_name: Mackenzie, R last_name: Mackenzie - first_name: R A full_name: Marino, R A last_name: Marino - first_name: G full_name: Pezzulli, G last_name: Pezzulli - first_name: Jorryt J full_name: Matthee, Jorryt J id: 7439a258-f3c0-11ec-9501-9df22fe06720 last_name: Matthee orcid: 0000-0003-2871-127X - first_name: S D full_name: Johnson, S D last_name: Johnson - first_name: M full_name: Krumpe, M last_name: Krumpe - first_name: T full_name: Urrutia, T last_name: Urrutia - first_name: W full_name: Kollatschny, W last_name: Kollatschny citation: ama: den Brok JS, Cantalupo S, Mackenzie R, et al. Probing the AGN unification model at redshift z ∼ 3 with MUSE observations of giant Lyα nebulae. Monthly Notices of the Royal Astronomical Society. 2020;495(2):1874-1887. doi:10.1093/mnras/staa1269 apa: den Brok, J. S., Cantalupo, S., Mackenzie, R., Marino, R. A., Pezzulli, G., Matthee, J. J., … Kollatschny, W. (2020). Probing the AGN unification model at redshift z ∼ 3 with MUSE observations of giant Lyα nebulae. Monthly Notices of the Royal Astronomical Society. Oxford University Press. https://doi.org/10.1093/mnras/staa1269 chicago: den Brok, J S, S Cantalupo, R Mackenzie, R A Marino, G Pezzulli, Jorryt J Matthee, S D Johnson, M Krumpe, T Urrutia, and W Kollatschny. “Probing the AGN Unification Model at Redshift z ∼ 3 with MUSE Observations of Giant Lyα Nebulae.” Monthly Notices of the Royal Astronomical Society. Oxford University Press, 2020. https://doi.org/10.1093/mnras/staa1269. ieee: J. S. den Brok et al., “Probing the AGN unification model at redshift z ∼ 3 with MUSE observations of giant Lyα nebulae,” Monthly Notices of the Royal Astronomical Society, vol. 495, no. 2. Oxford University Press, pp. 1874–1887, 2020. ista: den Brok JS, Cantalupo S, Mackenzie R, Marino RA, Pezzulli G, Matthee JJ, Johnson SD, Krumpe M, Urrutia T, Kollatschny W. 2020. Probing the AGN unification model at redshift z ∼ 3 with MUSE observations of giant Lyα nebulae. Monthly Notices of the Royal Astronomical Society. 495(2), 1874–1887. mla: den Brok, J. S., et al. “Probing the AGN Unification Model at Redshift z ∼ 3 with MUSE Observations of Giant Lyα Nebulae.” Monthly Notices of the Royal Astronomical Society, vol. 495, no. 2, Oxford University Press, 2020, pp. 1874–87, doi:10.1093/mnras/staa1269. short: J.S. den Brok, S. Cantalupo, R. Mackenzie, R.A. Marino, G. Pezzulli, J.J. Matthee, S.D. Johnson, M. Krumpe, T. Urrutia, W. Kollatschny, Monthly Notices of the Royal Astronomical Society 495 (2020) 1874–1887. date_created: 2022-07-07T10:40:17Z date_published: 2020-06-01T00:00:00Z date_updated: 2022-08-18T11:17:47Z day: '01' doi: 10.1093/mnras/staa1269 extern: '1' external_id: arxiv: - '2005.01732' intvolume: ' 495' issue: '2' keyword: - Space and Planetary Science - Astronomy and Astrophysics - 'galaxies: active' - 'galaxies: high-redshift' - intergalactic medium - 'quasars: emission lines' - 'quasars: general' language: - iso: eng main_file_link: - open_access: '1' url: https://arxiv.org/abs/2005.01732 month: '06' oa: 1 oa_version: Preprint page: 1874-1887 publication: Monthly Notices of the Royal Astronomical Society publication_identifier: eissn: - 1365-2966 issn: - 0035-8711 publication_status: published publisher: Oxford University Press quality_controlled: '1' scopus_import: '1' status: public title: Probing the AGN unification model at redshift z ∼ 3 with MUSE observations of giant Lyα nebulae type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 495 year: '2020' ... --- _id: '11531' abstract: - lang: eng text: While low-luminosity galaxies dominate number counts at all redshifts, their contribution to cosmic reionization is poorly understood due to a lack of knowledge of their physical properties. We isolate a sample of 35 z ≈ 4–5 continuum-faint Lyman-α emitters from deep VLT/MUSE spectroscopy and directly measure their H α emission using stacked Spitzer/IRAC Ch. 1 photometry. Based on Hubble Space Telescope imaging, we determine that the average UV continuum magnitude is fainter than −16 (≈ 0.01 L⋆), implying a median Lyman-α equivalent width of 259 Å. By combining the H α measurement with the UV magnitude, we determine the ionizing photon production efficiency, ξion, a first for such faint galaxies. The measurement of log10 (ξion [Hz erg−1]) = 26.28 (⁠+0.28−0.40⁠) is in excess of literature measurements of both continuum- and emission line-selected samples, implying a more efficient production of ionizing photons in these lower luminosity, Lyman-α-selected systems. We conclude that this elevated efficiency can be explained by stellar populations with metallicities between 4 × 10−4 and 0.008, with light-weighted ages less than 3 Myr. acknowledgement: 'We would like to thank the anonymous referee for a thoughtful report and suggestions that have improved this manuscript. We are also grateful to everyone involved in the Spitzer Space Telescope mission and everyone at the Spitzer Science Center: we are truly fortunate to have been able to use data from this facility. J. B. acknowledges support by FCT/MCTES through national funds by this grant UID/FIS/04434/2019 and through the Investigador FCT contract no. IF/01654/2014/CP1215/CT0003. S. C. gratefully acknowledges support from Swiss National Science Foundation grant PP00P2 163824. We would also like to thank Mauro Stefanon for his assistance with de-blending the IRAC photometry, Pieter van Dokkum for a number of useful suggestions, and Daniel Schaerer for information regarding the stellar population models. This study is based on observations made with ESO telescopes at the La Silla Paranal Observatory under programs IDs 094.A-2089(B), 095.A0010(A), 096.A-0045(A), and 096.A-0045(B).' article_processing_charge: No article_type: original arxiv: 1 author: - first_name: Michael V full_name: Maseda, Michael V last_name: Maseda - first_name: Roland full_name: Bacon, Roland last_name: Bacon - first_name: Daniel full_name: Lam, Daniel last_name: Lam - first_name: Jorryt J full_name: Matthee, Jorryt J id: 7439a258-f3c0-11ec-9501-9df22fe06720 last_name: Matthee orcid: 0000-0003-2871-127X - first_name: Jarle full_name: Brinchmann, Jarle last_name: Brinchmann - first_name: Joop full_name: Schaye, Joop last_name: Schaye - first_name: Ivo full_name: Labbe, Ivo last_name: Labbe - first_name: Kasper B full_name: Schmidt, Kasper B last_name: Schmidt - first_name: Leindert full_name: Boogaard, Leindert last_name: Boogaard - first_name: Rychard full_name: Bouwens, Rychard last_name: Bouwens - first_name: Sebastiano full_name: Cantalupo, Sebastiano last_name: Cantalupo - first_name: Marijn full_name: Franx, Marijn last_name: Franx - first_name: Takuya full_name: Hashimoto, Takuya last_name: Hashimoto - first_name: Hanae full_name: Inami, Hanae last_name: Inami - first_name: Haruka full_name: Kusakabe, Haruka last_name: Kusakabe - first_name: Guillaume full_name: Mahler, Guillaume last_name: Mahler - first_name: Themiya full_name: Nanayakkara, Themiya last_name: Nanayakkara - first_name: Johan full_name: Richard, Johan last_name: Richard - first_name: Lutz full_name: Wisotzki, Lutz last_name: Wisotzki citation: ama: Maseda MV, Bacon R, Lam D, et al. Elevated ionizing photon production efficiency in faint high-equivalent-width Lyman-α emitters. Monthly Notices of the Royal Astronomical Society. 2020;493(4):5120-5130. doi:10.1093/mnras/staa622 apa: Maseda, M. V., Bacon, R., Lam, D., Matthee, J. J., Brinchmann, J., Schaye, J., … Wisotzki, L. (2020). Elevated ionizing photon production efficiency in faint high-equivalent-width Lyman-α emitters. Monthly Notices of the Royal Astronomical Society. Oxford University Press. https://doi.org/10.1093/mnras/staa622 chicago: Maseda, Michael V, Roland Bacon, Daniel Lam, Jorryt J Matthee, Jarle Brinchmann, Joop Schaye, Ivo Labbe, et al. “Elevated Ionizing Photon Production Efficiency in Faint High-Equivalent-Width Lyman-α Emitters.” Monthly Notices of the Royal Astronomical Society. Oxford University Press, 2020. https://doi.org/10.1093/mnras/staa622. ieee: M. V. Maseda et al., “Elevated ionizing photon production efficiency in faint high-equivalent-width Lyman-α emitters,” Monthly Notices of the Royal Astronomical Society, vol. 493, no. 4. Oxford University Press, pp. 5120–5130, 2020. ista: Maseda MV, Bacon R, Lam D, Matthee JJ, Brinchmann J, Schaye J, Labbe I, Schmidt KB, Boogaard L, Bouwens R, Cantalupo S, Franx M, Hashimoto T, Inami H, Kusakabe H, Mahler G, Nanayakkara T, Richard J, Wisotzki L. 2020. Elevated ionizing photon production efficiency in faint high-equivalent-width Lyman-α emitters. Monthly Notices of the Royal Astronomical Society. 493(4), 5120–5130. mla: Maseda, Michael V., et al. “Elevated Ionizing Photon Production Efficiency in Faint High-Equivalent-Width Lyman-α Emitters.” Monthly Notices of the Royal Astronomical Society, vol. 493, no. 4, Oxford University Press, 2020, pp. 5120–30, doi:10.1093/mnras/staa622. short: M.V. Maseda, R. Bacon, D. Lam, J.J. Matthee, J. Brinchmann, J. Schaye, I. Labbe, K.B. Schmidt, L. Boogaard, R. Bouwens, S. Cantalupo, M. Franx, T. Hashimoto, H. Inami, H. Kusakabe, G. Mahler, T. Nanayakkara, J. Richard, L. Wisotzki, Monthly Notices of the Royal Astronomical Society 493 (2020) 5120–5130. date_created: 2022-07-07T10:46:41Z date_published: 2020-04-01T00:00:00Z date_updated: 2022-08-18T11:23:27Z day: '01' doi: 10.1093/mnras/staa622 extern: '1' external_id: arxiv: - '2002.11117' intvolume: ' 493' issue: '4' keyword: - Space and Planetary Science - Astronomy and Astrophysics - 'Galaxies: evolution' - 'Galaxies: high-redshift' - 'Galaxies: ISM' language: - iso: eng main_file_link: - open_access: '1' url: https://doi.org/10.1093/mnras/staa622 month: '04' oa: 1 oa_version: Published Version page: 5120-5130 publication: Monthly Notices of the Royal Astronomical Society publication_identifier: eissn: - 1365-2966 issn: - 0035-8711 publication_status: published publisher: Oxford University Press quality_controlled: '1' scopus_import: '1' status: public title: Elevated ionizing photon production efficiency in faint high-equivalent-width Lyman-α emitters type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 493 year: '2020' ...