The Formation of Hot Gaseous Haloes in Elliptical Galaxies with Massive Dark Haloes

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概要

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• The time evolution of a hot gaseous halo in an elliptical galaxy for the Hubble time is calculated numerically and effects of the gravity of massive dark halo on a structure of a hot gaseous halo are investigated. The potential of a massive dark halo is assumed to be 2〜3 times deeper than that of a massive dark halo of a spiral galaxy. At the present epoch, two types of gaseous haloes are formed. The first type is the X-ray bright gaseous halo in which the hot gas is confined gravitationally. The second type is the dim X-ray halo in which the hot gas flows outward from the central region. We show the recent observations of X-ray coronae of elliptical galaxies are well explained by our model. Some discussions on the relation between X-ray luminosities of x-ray coronae and mass of elliptical galaxies are given.

• 理論物理学刊行会の論文
• 1987-11-25

著者

• HABE Asao

  Department of Physics/Department of Cosmosciences, Hokkaido University

• Habe A

  Hokkaido Univ. Sapporo

• Habe Asao

  Department Of Physics Hokkaido University

• HATTORI Makoto

  Department of Applied Biological Science, Faculty of Agriculture, Tokyo University of Agriculture an

• IKEUCHI Satoru

  Tokyo Astronomical Observatory, University of Tokyo

• Ikeuchi Satoru

  Tokyo Astronomical Observatory University Of Tokyo

• Hattori Makoto

  Department Of Applied Biological Science Faculty Of Agriculture Tokyo University Of Agriculture And

• Hattori Makoto

  Department Of Physics Hokkaido University

• Hattori Makoto

  Department Of Agricultural Chemistry The University Of Tokyo

• Habe Asao

  Department Of Cosmosciences Graduate School Of Science Hokkaido University

• HATTORI Makoto

  Department of Physics, Hokkaido University

• HABE Asao

  Department of Physics, Hokkaido University

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