Chandra ACIS Survey of M33 (ChASeM33): The X-ray Point Source Population of M33

Details Chandra ACIS Survey of M33 (ChASeM33): The X-ray Point Source Population of M33 Chandra ACIS Survey of M33 (ChASeM33): The X-ray Point Source Population of M33

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...209.8702s&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #87.02; Bulletin of the American Astronomical Society, V

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Scientific paper

With most of the 1.4 Ms of Chandra ACIS M33 data already available, we have begun measuring the properties of the hundreds of sources present in the data. To date nearly 600 discrete sources have been cataloged, over 90% of these objects are point sources closely matching the Chandra point spread function. The high spatial resolution (about 1 arcsecond) has made separating point and extended sources more straightforward over a larger region of M33 than ever before. Spectral and timing analyses of the current source catalog have provided hardness ratios and variability information to aid in initial source classification. The full catalog of X-ray binaries will provide an X-ray Luminosity Function (XLF) down to luminosities of around 10^35 erg/s (at the 3-sigma level). Such an XLF will allow detailed studies of the interplay between star formation and X-ray source formation, providing a new level of detail in the understanding of galaxy evolution from one end of the stellar life cycle to the other. Finally, the data set is a treasure trove of exotic X-ray sources, such as new transient X-ray sources, the first eclipsing black hole binary, and a new eclipsing high mass X-ray binary.
This work was supported by NASA Chandra award number G06-7073A.

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