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Understanding galaxy formation in the reionization era using the FIRE simulations

Published online by Cambridge University Press:  04 June 2020

Xiangcheng Ma Open the ORCID record for Xiangcheng Ma [Opens in a new window]
Xiangcheng Ma*
Affiliation:
Department of Astronomy and Theoretical Astrophysics Center, University of California Berkeley, Berkeley, CA94720, USA email: xchma@berkeley.edu
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Abstract

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We present a suite of high-resolution cosmological zoom-in simulations of galaxies at z⩾ 5using the state-of-the-art models for the multi-phase ISM, star formation, and stellar feedback from the FIRE project. We present a series of key results from these simulations, including the stellar mass–halo mass relation, the ultraviolet luminosity functions, dust attenuation and dust temperatures, the ubiquitous formation of bound star clusters, morphology and clumpiness, and the escape fractions of ionizing photons from high-redshift galaxies. We discuss how different simulations in the literature agree and disagree and what observations are most useful for testing the models in the era of ALMA and JWST.

Keywords

binaries: generalstars: formationdustextinctionISM: structuregalaxies: evolutiongalaxies: formationgalaxies: high-redshiftgalaxies: star clusterscosmology: theory
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. 64 - 68
Copyright
© International Astronomical Union 2020

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