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The effects of binary stars on the colors of galaxies at z~2.0

Published online by Cambridge University Press:  17 July 2013

Y. Zhang ,
J. Liu  and
F. Zhang
Y. Zhang
Affiliation:
National Astronomical Observatories/Xinjiang Observatory, Chinese Academy of Sciences, 150 Science 1-Street, Urumqi, Xinjiang 830011, China email: zhy@xao.ac.cn
J. Liu
Affiliation:
National Astronomical Observatories/Xinjiang Observatory, Chinese Academy of Sciences, 150 Science 1-Street, Urumqi, Xinjiang 830011, China email: zhy@xao.ac.cn
F. Zhang
Affiliation:
National Astronomical Observatories/Yunnan Observatory, CAS, Kunming, 650011, China
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Abstract

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Using the Monte Carlo simulations and a set of theoretical galaxy templates, which are built on the Yunnan evolutionary population synthesis models with and without binary interactions, we compare the optical color-color (C-C) relations for passive and star-forming galaxies at redshift z~2.0, and study the effect of binary interactions on this relation. We find that the influence of binary interactions on the C-C relation is insignificant for passive galaxies at z~2.0.

Keywords

binary: generalgalaxies: high-redshiftgalaxies: stellar content
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S295: The intriguing life of massive galaxies , August 2012 , pp. 62
Copyright
Copyright © International Astronomical Union 2013 

References

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