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Constraints on the production and escape of ionizing radiation from the emission-lines of metal-poor star-forming galaxies

Published online by Cambridge University Press:  04 June 2020

A. Plat Open the ORCID record for A. Plat [Opens in a new window] ,
S. Charlot ,
G. Bruzual ,
A. Feltre ,
A. Vidal-Garca ,
C. Morisset  and
J. Chevallard
A. Plat
Affiliation:
Sorbonne Université, CNRS, UMR7095, Institut d’Astrophysique de Paris, F-75014, Paris, France
S. Charlot
Affiliation:
Sorbonne Université, CNRS, UMR7095, Institut d’Astrophysique de Paris, F-75014, Paris, France
G. Bruzual
Affiliation:
Instituto de Radioastronomía y Astrofísica, UNAM, Campus Morelia, Michoacan, México, C.P. 58089, México
A. Feltre
Affiliation:
Sorbonne Université, CNRS, UMR7095, Institut d’Astrophysique de Paris, F-75014, Paris, France SISSA, via Bonomea 265, I-34136 Trieste, Italy Univ. Lyon, Univ. Lyon1, ENS de Lyon, CNRS, Centre de Recherche Astrophysique de Lyon, UMR5574, 69230 Saint-Genis-Laval, France
A. Vidal-Garca
Affiliation:
Sorbonne Université, CNRS, UMR7095, Institut d’Astrophysique de Paris, F-75014, Paris, France LERMA, Observatoire de Paris, Ecole Normale Supérieure, PSL Research University, CNRS, UMR8112, F-75014 Paris, France
C. Morisset
Affiliation:
Instituto de Astronomía, UNAM, Apdo. postal 106, C.P. 22800 Ensenada, Baja California, México
J. Chevallard
Affiliation:
Sorbonne Université, CNRS, UMR7095, Institut d’Astrophysique de Paris, F-75014, Paris, France
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Abstract

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To understand how the nature of the ionizing sources and the leakage of ionizing photons in high-redshift galaxies can be constrained from their emission-line spectra, we compare emission-line models of star-forming galaxies including leakage of ionizing radiation, active galactic nuclei (AGN) and radiative shocks, with observations of galaxies at various redshifts with properties expected to approach those of primeval galaxies.

Keywords

galaxies: generalgalaxies: high-redshiftgalaxies: ISM
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S352: Uncovering Early Galaxy Evolution in the ALMA and JWST Era , June 2019 , pp. 121 - 122
Copyright
© International Astronomical Union 2020

References

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