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X-ray source populations in star-forming galaxies

Published online by Cambridge University Press:  12 May 2006

Andreas Zezas
Andreas Zezas
Affiliation:
Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA email: azezas@cfa.harvard.edu
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Abstract

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We present a study of the variable X-ray source populations in the Antennae galaxies and a small sample of nearby star-forming galaxies. We find that source variability does not affect the shape of their X-ray luminosity functions. Several of the sources detected in the Antennae exhibit a wide range of spectral variability patterns. Finally, from our study of a small sample of nearby star-forming galaxies, we find a weak indication for variations of the shape of their luminosity functions.

Keywords

galaxies: starburstX-rays: galaxiesX-rays: binaries