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Collective Effects of Supernova Explosions in a Starburst Nucleus

Published online by Cambridge University Press:  12 April 2016

Kohji Tomisaka  and
Satoru Ikeuchi
Kohji Tomisaka
Affiliation:
Tokyo Astronomical Observatory, University of Tokyo, Mitaka, Tokyo 181, Japan
Satoru Ikeuchi
Affiliation:
Tokyo Astronomical Observatory, University of Tokyo, Mitaka, Tokyo 181, Japan

Abstract

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The collective effects of supernova (SN) explosions in the nucleus of a starburst galaxy are studied. It is shown that a large wind bubble with the size of a few hundred parsecs in the nucleus of a starburst galaxy will expand for SN explosion rates of 0.1 per year or greater. The bubble gradually elongates due to density stratification. Finally, the shell breaks near the top and the hot matter flows through the cylindrical shell up to 1-2 kpc above the disk plane. We will discuss the X-ray emission in the halos of galaxies such as M82 and NGC 253 and the distribution of molecular gas in such galaxies in relation to the starburst phenomenon.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 101: Supernova Remnants and the Interstellar Medium , 1988 , pp. 477 - 480
Copyright
Copyright © Cambridge University Press 1988

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