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Prog. Theor. Phys. Vol. 56 No. 5 (1976) pp. 1475-1483

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Hydrostatic Structure of a Hot Plasma in a Cluster of Galaxies

Noriaki Shibazaki, Reiun Hōshi, Fumio Takahara* and Satoru Ikeuchi*

Department of Physics, Rikkyo University, Tokyo 171
*Department of Physics, Kyoto University, Kyoto 606

(Received April 20, 1976)

Abstract:

Hydrostatic equilibrium solutions for the hot gas in a cluster of galaxies have been studied assuming the polytropic relation. The final equilibrium state is related to the initial state of the gas in the cluster using the mass and energy conservation laws between the above two states. Results are applied to the X-ray source in Coma cluster. We have obtained the central temperature, the central density and the mass of the intracluster gas such as 1.8 × 108° K, 2.8 ×10-27 gm/cm3 and 5.7 ×1014 M⊙, respectively.


URL : http://ptp.ipap.jp/link?PTP/56/1475/
DOI : 10.1143/PTP.56.1475

[ Full Text PDF : FREE ACCESS (680K) ] Citation:

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Citing Article(s) :

  1. Progress of Theoretical Physics Vol. 58 No. 6 (1977) pp. 1728-1741 :
    On the Origin and Evolution of the Intracluster Gas
    Fumio Takahara and Satoru Ikeuchi
  2. Progress of Theoretical Physics Vol. 60 No. 5 (1978) pp. 1337-1349 :
    Hydrostatic Structure of a Hot Plasma and X-Ray Morphology in Non-Spherical Clusters of Galaxies
    Yuzo Hirayama and Satoru Ikeuchi

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