Classification of X-ray Sources in the XMM-Newton Serendipitous Source Catalog

Details Classification of X-ray Sources in the XMM-Newton Serendipitous Source Catalog Classification of X-ray Sources in the XMM-Newton Serendipitous Source Catalog

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21743217l&link_type=abstract

American Astronomical Society, AAS Meeting #217, #432.17; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

The Second XMM-Newton Serendipitous Source Catalog (2XMM) is the largest X-ray catalog ever produced, containing 262,902 unique sources. We study 4369 point sources from this catalog that have multiple pointings and have at least one detection with S/N>=20. For nearly one half of them we can obtain source types from the literature. We find that different types of sources are associated with different regions in the X-ray color diagram, different inter-observation variability, and different X-ray-to-optical and X-ray-to-IR flux ratios. Based on this, we have derived optimal criteria to obtain classifications of the unknown sources.

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