The Inhomogeneous Centers of Cooling Flows in Galaxy Clusters

Details The Inhomogeneous Centers of Cooling Flows in Galaxy Clusters The Inhomogeneous Centers of Cooling Flows in Galaxy Clusters

Apr 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aps..oss.b6007s&link_type=abstract

American Physical Society, Ohio Section Spring 2004, April 16-17, 2004, Ohio University, Athens, Ohio, MEETING ID: OSS04, abstra

Physics

Scientific paper

The intracluster medium (ICM) in the centers of galaxy clusters is cool, dense and may be imhomogeneous. We present Chandra X-ray Observatory imaging spectroscopic data on two galaxy clusters, Abell 1991 and MS 0839.8+2938, that have cooling flows in their central few hundred kpc. Their cD galaxies show current star formation, and host compact radio sources. The hot ICM at both their centers has nonhomogeneities on kiloparsec scales. These finer structures are likely to be signatures of the formation of clusters through infall of smaller, cooler subclusters.

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