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Hot Gaseous Halo in the Elliptical and Spiral Galaxies

Published online by Cambridge University Press:  25 May 2016

H. Awaki
H. Awaki*
Affiliation:
Department of Physics, Kyoto University Kitashirakawa, Sakyo, Kyoto, Japan

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The Einstein observations revealed that starburst and luminous elliptical galaxies had X-ray halo. These galaxies have quite different stellar population. Starburst galaxies contain young massive stars, while elliptical galaxies generally contain an old-metal rich population dominated by K and M giants. Therefore a question is why these two type of galaxies commonly have hot gas, in spite of quite different stellar populations. In order to address this question, we observed these galaxies with ASCA. In this paper, I would like to present observational results, then compare the physical parameters of the hot gas in these galaxies.

Type
Session 1: Plasma and Fresh Nucleosynthesis Phenomena
Information
Symposium - International Astronomical Union , Volume 188: The Hot Universe , 1998 , pp. 57 - 60
Copyright
Copyright © Kluwer 1998 

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