TitleAn XMM-Newton survey of M 31
AuthorsPietsch, W.; Freyberg, M.; Haberl, F.
Bibcode2005A&A...434..483P
AbstractIn an analysis of XMM-Newton archival observations of the bright Local Group spiral galaxy M 31 we study the population of X-ray sources (X-ray binaries, supernova remnants) down to a 0.2-4.5 keV luminosity of 4.4~×~ 1034 . EPIC hardness ratios and optical and radio information are used to distinguish between different source classes. The survey detects 856 sources in an area of 1.24 sq ...
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