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On the faint X-ray sources in the Galactic center region

Published online by Cambridge University Press:  12 May 2006

X.-W. Liu  and
X.-D. Li
X.-W. Liu
Affiliation:
Department of Astronomy, Nanjing University, Nanjing 210093, P. R. China email: liuxw@nju.edu.cn, lixd@nju.edu.cn
X.-D. Li
Affiliation:
Department of Astronomy, Nanjing University, Nanjing 210093, P. R. China email: liuxw@nju.edu.cn, lixd@nju.edu.cn
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Abstract

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We have performed evolutionary population synthesis calculations to investigate the nature of the faint X-ray sources in the Galactic center region detected by recent Chandra surveys. Our results show that neutron star low-mass X-ray binaries contribute significantly to the observed sources, but the majority of the sources in Wang et al. (2002) survey are still beyond our expectation. We also point out that wind-accreting neutron stars and intermediate polars play a minor role in accounting for the faint X-ray sources in Wang et al. (2002) and Muno et al. (2003) surveys, respectively.

Keywords

stellar evolutioncompact starsX-ray binaries
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 1 , Symposium S230: Populations of High Energy Sources in Galaxies , August 2005 , pp. 401 - 405
Copyright
2006 International Astronomical Union