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Primordial binary evolution and blue stragglers

Published online by Cambridge University Press:  18 January 2010

Xuefei Chen and
Zhanwen Han
Xuefei Chen
Affiliation:
National Astronomical Observatories/Yunnan Observatory, Chinese Aacademy of Sciences, Kunming, 650011, P. R. China email: xuefeichen717@hotmail.com, zhanwenhan@hotmail.com
Zhanwen Han
Affiliation:
National Astronomical Observatories/Yunnan Observatory, Chinese Aacademy of Sciences, Kunming, 650011, P. R. China email: xuefeichen717@hotmail.com, zhanwenhan@hotmail.com
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Abstract

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Blue stragglers have been found in all populations. They are important in both stellar evolution and stellar population synthesis. Much evidence shows that blue stragglers are relevant to primordial binaries. Here, we summarize the links between binary evolution and blue stragglers, describe the characteristics of blue stragglers originating from different binary evolutionary channels and show their consequences for binary population synthesis, such as for the integrated spectral-energy distribution, the colour–magnitude diagram, their specific frequency, and their influence on colours, etc.

Keywords

binaries: closestars: evolutionblue stragglers

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