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Superbubbles in Dwarf Galaxies: Blown Out or Blown Away?

Published online by Cambridge University Press:  12 April 2016

Mordecai-Mark Mac Low  and
Andrea Ferrara
Mordecai-Mark Mac Low
Affiliation:
MPI für Astronomie, Königstuhl 17, D-69117 Heidelberg, Germany
Andrea Ferrara
Affiliation:
Osservatorio Astrofisico di Arcetri, Largo Enrico Fermi 5, 1-50125 Firenze, Italy

Abstract

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We numerically model the impact of superbubbles produced by starbursts on the gas in dwarf galaxies, using realistic gravitational potentials including the contributions from dark matter haloes, and galaxy radii based on empirical laws. We find that the metal-rich gas is very efficiently ejected in many cases, contradicting previous results; the ambient gas is far more difficult to eject. X-ray emitting plumes can last more than 108 yr after the end of the active starburst.

Type
Part IX External Galaxies
Information
International Astronomical Union Colloquium , Volume 166: The Local Bubble and Beyond , 1997 , pp. 559 - 562
Copyright
Copyright © Springer-Verlag 1998

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