X-ray populations in galaxies

Details X-ray populations in galaxies X-ray populations in galaxies

2005-11-09

arxiv.org/abs/astro-ph/0511273v1

Astronomy and Astrophysics

Astrophysics

This is a review talk,to be published in the proceedings of the IAU Symposium 230, Populations of high energy sources in galax

Scientific paper

10.1016/j.asr.2006.04.033

Today's sensistive, 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 population, the amount of sources in star-forming galaxies is related to the star formation rate. Shart-lived, luminous, high mass binaries (HNXBs) dominate these young populations.

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