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Bar Instabilities and Nuclear Activity in Disk Galaxies

Published online by Cambridge University Press:  07 August 2017

Isaac Shlosman ,
Juhan Frank  and
Mitchell C. Begelman
Isaac Shlosman
Affiliation:
Theoretical Astrophysics 130-33, California Institute of Technology, Pasadena, California 91125
Juhan Frank
Affiliation:
JILA, University of Colorado, Boulder, Colorado 80309
Mitchell C. Begelman
Affiliation:
JILA, University of Colorado, Boulder, Colorado 80309

Abstract

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A mechanism for fueling active galactic nuclei and nuclear starburst galaxies is suggested. It consists of two stages. First, a large-scale stellar bar sweeps the ISM into a gaseous disk of a few hundred pc radius. This disk may, under certain conditions, become dynamically unstable, induce radial flow, and feed viscosity-driven accretion flow around a black hole. It may lead to the formation of a black hole if none was present initially.

Type
Part 8: Relationships of Nucleus, Galaxy and Environment
Information
Symposium - International Astronomical Union , Volume 134: Active Galactic Nuclei , 1989 , pp. 462 - 464
Copyright
Copyright © Kluwer 1989 

References

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