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Evolution of Multiphase Hot Interstellar Medium in Elliptical Galaxies

Published online by Cambridge University Press:  25 May 2016

Y. Fujita ,
J. Fukumoto  and
K. Okoshi
Y. Fujita
Affiliation:
Department of Physics, Tokyo Metropolitan University, Minami-Ohsawa 1-1, Hachioji, Tokyo 192-03, Japan
J. Fukumoto
Affiliation:
Nihon Silicon Graphics Cray K.K., Cuore Bldg., 9th Floor, 1225, Hiroshiba-cho, Suita-si, Osaka 564, Japan
K. Okoshi
Affiliation:
Department of Earth and Space Science, Faculty of Science, Osaka University, Machikaneyama-cho, Toyonaka, Osaka 560, Japan

Extract

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Theoretical arguments indicate that the ISM is inhomogeneous; Mathews estimated that the ~ 1M⊙ of metal ejected by each supernova event into the ISM is trapped locally within the hot bubbles. Since in elliptical galaxies, there is no overlapping of expanding supernova remnants after galactic wind period, it is expected that this inhomogeneity persists for a long time. The observations also suggests that the ISM of elliptical galaxies is inhomogeneous. Based on these arguments, we studied the evolution of the multiphase (inhomogeneous) ISM.

Type
Session 1: Plasma and Fresh Nucleosynthesis Phenomena
Information
Symposium - International Astronomical Union , Volume 188: The Hot Universe , 1998 , pp. 281 - 282
Copyright
Copyright © Kluwer 1998 

References

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