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Star Formation in Cooling Flows

Published online by Cambridge University Press:  04 August 2017

R. W. O'Connell
R. W. O'Connell*
Affiliation:
Astronomy Department, University of Virginia P.O. Box 3818, Charlottesville, VA 22903, USA

Abstract

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Star formation, probably with an abnormal initial mass function, represents the most plausible sink for the large amounts of material being accreted by cD galaxies from cooling flows. There are three prominent cases (NGC 1275, PKS 0745-191, and Abell 1795) where cooling flows have apparently induced unusual stellar populations. Recent studies show that about 50% of other accreting cD's have significant ultraviolet excesses. It therefore appears that detectable accretion populations are frequently associated with cooling flows. The questions of the form of the IMF, the fraction of the flow forming stars, and the lifetime of the flow remain open.

Type
Invited Reviews
Information
Symposium - International Astronomical Union , Volume 127: Structure and Dynamics of Elliptical Galaxies , 1987 , pp. 167 - 177
Copyright
Copyright © Reidel 1987 

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