X-ray Point Sources and Radio Galaxies in Clusters: Source of Distributed Heating of the ICM?

Details X-ray Point Sources and Radio Galaxies in Clusters: Source of Distributed Heating of the ICM? X-ray Point Sources and Radio Galaxies in Clusters: Source of Distributed Heating of the ICM?

2009-11-10

arxiv.org/abs/0911.1946v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

4 pages, 2 figures. To appear in the proceedings of "The Monster's Fiery Breath: Feedback in Galaxies, Groups, and Clusters",

Scientific paper

In our ongoing multi-wavelength study of cluster AGN, we find ~75% of the spectroscopically identified cluster X-ray point sources (XPS) with L(0.3-8.0keV)>10^{42} erg s^{-1} and cluster radio galaxies with P(1.4 GHz) > 3x10^{23} W Hz^{-1} in 11 moderate redshift clusters (0.2L* possess relativistic jets which can inject energy into the ICM, potentially solving the uniform heating problem in the central region of clusters.

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