Optical Identification of X-ray Sources in the ChaMP Survey

Details Optical Identification of X-ray Sources in the ChaMP Survey Optical Identification of X-ray Sources in the ChaMP Survey

Oct 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000head....5.2607c&link_type=abstract

American Astronomical Society, HEAD Meeting #5, #26.07; Bulletin of the American Astronomical Society, Vol. 32, p.1224

Astronomy and Astrophysics

Astronomy

Scientific paper

We describe the methods being developed and used to provide optical identifications and astrometric and photometric data for X-ray sources detected in the Chandra Multiwavelength Project (ChaMP). We present results for the background X-ray sources detected in three target fields observed by Chandra: the clusters of galaxies MS 1137.5+6625, MS 1621.5+2640 and MS 2053.7-0449. Multi-band CCD data are tied to the International Celestial Reference System and photometrically calibrated via USNO-A2 cross-identifications in the optical datasets for each field. Techniques for crowded-field source separation are discussed. The problems and reliability of identification of off-axis X-ray sources are discussed.

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