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X-ray Populations in Galaxies

Published online by Cambridge University Press:  12 May 2006

G. Fabbiano
G. Fabbiano
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden St., Cambridge MA 02138, USA
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Abstract

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Today's sensitive, high-resolution Chandra X-ray observations allow the study of many populations of X-ray sources. The traditional astronomical tools of photometric diagrams and luminosity functions are now applied to these populations, and provide the means for classifying the X-ray sources and probing their evolution. While overall stellar mass drives the amount of X-ray binaries in old stellar populations, the amount of sources in star forming galaxies is related to the star formation rate. Short-lived, luminous, high mass binaries (HMXBs) dominate these young X-ray populations.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 1 , Symposium S230: Populations of High Energy Sources in Galaxies , August 2005 , pp. 180 - 184
Copyright
2006 International Astronomical Union