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Induced Starburst and Nuclear Activity: Faith, Facts and Theory

Published online by Cambridge University Press:  12 April 2016

Isaac Shlosman*
Affiliation:
Theoretical Astrophysics 130-33 California Institute of Technology, Pasadena, CA 91125

Abstract

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The problem of the origin of starburst and nuclear (nonstellar) activity in galaxies is reviewed. A physical understanding of mechanism(s) that induce both types of activity requires one to address the following issues: 1) what is the source of fuel that powers starbursts and active galactic nuclei? and 2) how it is channeled towards the central regions of host galaxies? As a possible clue, we examine the role of non-axisymmetric perturbations of galactic disks and analyze their potential triggers. Global gravitational instabilities in the gas on scales ~ 100 pc appear to be crucial for fueling the active galactic nuclei.

Type
IX. Theory of Interaction Stimulated Effects
Copyright
Copyright © NASA 1990

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