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Stability of Emission-Line Clouds in Seyfert Galaxies

Published online by Cambridge University Press:  07 August 2017

William G. Mathews
Affiliation:
Lick Observatory, University of California, Santa Cruz, CA 95064, USA
Sylvain Veilleux
Affiliation:
Lick Observatory, University of California, Santa Cruz, CA 95064, USA

Abstract

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Otherwise acceptable kinematic and dynamic models for emission line regions may be ruled out if the line-emitting clouds are unstable. We discuss the stability of radially-moving clouds to lateral gas flows. Such flows result from internal overpressures arising from the absorption of continuum radiation.

Type
Part 5: Structure of the Central Object and NLR
Copyright
Copyright © Kluwer 1989