Cooling flows and the formation of massive halos in cD galaxies

Details Cooling flows and the formation of massive halos in cD galaxies Cooling flows and the formation of massive halos in cD galaxies

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...369l...1p&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 369, March 1, 1991, p. L1-L4.

Astronomy and Astrophysics

Astrophysics

8

Cooling Flows (Astrophysics), Galactic Clusters, Halos, Mass To Light Ratios, Stellar Mass, X Ray Imagery, Brightness Distribution, Elliptical Galaxies, X Ray Astronomy

Scientific paper

X-ray brightness profiles of galaxy clusters frequently indicate the presence of a hot gaseous envelope, and theoretical models predict that numerous low-mass stars will be formed as these gaseous halos cool and contract toward the center of the cluster potential. In this Letter, the optical surface brightness profiles of the halos seen in six cooling flow galaxies are modeled, and it is concluded that the optical profiles and mass-to-light ratios are consistent with the cooling flow accretion hypothesis.

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