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Interpreting galaxy properties with improved modelling

Published online by Cambridge University Press:  04 June 2020

E. R. Stanway Open the ORCID record for E. R. Stanway [Opens in a new window]  and
J. J. Eldridge
E. R. Stanway
Affiliation:
Dept. of Physics, University of Warwick, Gibbet Hill Road, Coventry, CV7 4AL, UK email: e.r.stanway@warwick.ac.uk
J. J. Eldridge
Affiliation:
Dept. of Physics, University of Auckland, Private Bag 92019, Auckland, New Zealand email: j.eldridge@auckland.ac.nz
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Abstract

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Observations of star-forming galaxies in the distant Universe have confirmed the importance of massive stars in shaping galaxy emission and evolution. Distant stellar populations are unresolved, and the limited data available must be interpreted in the context of stellar population models. Understanding these populations, and their evolution with age and heavy element content is key to interpreting processes such as supernovae, cosmic reionization and the chemical enrichment of the Universe. With the upcoming launch of JWST and observations of galaxies within a billion years of the Big Bang, the uncertainties in modelling massive stars - particularly their interactions with binary companions - are becoming increasingly important to our interpretation of the high redshift Universe. In turn, observations of distant stellar populations provide ever stronger tests against which to gauge the success of, and flaws in, current massive star models. Here we briefly review the current status binary stellar population synthesis.

Keywords

binaries: generalmethods: numericalgalaxies: high-redshiftX-rays: binaries
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. 84 - 97
Copyright
© International Astronomical Union 2020

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