Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...20713804k&link_type=abstract
American Astronomical Society Meeting 207, #138.04; Bulletin of the American Astronomical Society, Vol. 37, p.1392
Astronomy and Astrophysics
Astronomy
1
Scientific paper
Discrete X-ray sources in galaxies are largely a mix of high- and low-mass X-ray binaries and supernova remnants. While it is possible to classify some sources based on X-ray spectral and temporal properties, the majority of sources detected in nearby galaxies have insufficient X-ray flux to determine their nature. Identifying multiwavelength counterparts is the only way to definitively classify an X-ray point source in a galaxy. We present results on an optical/X-ray analysis of two nearby interacting systems, M51a/b and M81/NGC 3077, as the first data in a multiwavelength campaign to classify the discrete X-ray source population identified in a survey of nearby galaxies. In these initial results, we examine the optical counterparts to explore the relation between interaction, star formation, and high-mass X-ray binary formation. This work has been supported by NASA grants GO4-5100X (CXC), NNG04GI02G (XMM-GSFC), and HST-AR-10669.01.
Kilgard Roy
Prestwich Andrea
Roberts Tom
Ward Martin
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