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Cool Infalling Gas and its Interaction with the Hot Ism of Elliptical Galaxies

Published online by Cambridge University Press:  12 April 2016

W.B. Sparks  and
F.D. Macchetto
W.B. Sparks
Affiliation:
Space Telescope Science Institute, 3700 San Martin Drive, Baltimore MD 21218*
F.D. Macchetto
Affiliation:
Space Telescope Science Institute, 3700 San Martin Drive, Baltimore MD 21218* Astrophysics Division, Space Science Department, European Space Agency (ESA)

Abstract

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We describe work leading to the suggestion that interaction between infalling cool gas and ambient hot, coronal plasma in elliptical galaxies is responsible for emission filaments, and might remove the need for large mass depositions in cooling flows. A test of the hypothesis is undertaken — the run of surface brightness with radius for the emission lines — and the prediction agrees well with the data.

Type
V. Observations of Nuclear and Near-Nuclear Activity
Information
International Astronomical Union Colloquium , Volume 124: Paired and Interacting Galaxies , 1990 , pp. 403 - 408
Copyright
Copyright © NASA 1990

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