Deep X-ray (and Multiwavelength) Survey of the Coma Cluster of Galaxies

Details Deep X-ray (and Multiwavelength) Survey of the Coma Cluster of Galaxies Deep X-ray (and Multiwavelength) Survey of the Coma Cluster of Galaxies

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20921112h&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #211.12; Bulletin of the American Astronomical Society,

Astronomy and Astrophysics

Astronomy

Scientific paper

We present some preliminary results on a 220 ks XMM-Newton survey of an off-center region in the Coma cluster. These observations are sensitive to LX 1039 erg/s, allowing us to probe the X-ray emission from normal galaxies to 0.1 L* and to construct an X-ray luminosity function. This represents a major step forward in characterizing the high energy emission of lower-luminosity galaxies in cluster/group environments. We also report on a major multiwavelength campaign to study the Coma cluster which includes Spitzer, GALEX, and HST data. The Spitzer data in particular, have uncovered a large population of dwarf galaxies. The steep faint end of the infrared luminosity function indicates a larger population of dwarf galaxies than previously identified in optical surveys.

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