Physics
Scientific paper
Mar 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978pthph..59..751h&link_type=abstract
Progress of Theoretical Physics, Vol. 59, No. 3, pp. 751-762
Physics
11
Scientific paper
The flow of intracluster gas injected from galaxies by galactic winds or ram pressure is investigated by numerical time-dependent calculations in the beam scheme. Under a given gravitational field and mass loss rate, there are three flow patterns at the Hubble time, depending on the temperature of the injected gas. If we take a gravitational field of the Coma cluster, lower temperature of the injected gas than 106 ° K and higher temperature than 3 × 108 ° K result in wholly inward and wholly outward flow, respectively. For the temperature between them, there appears a partially inward and outward flow that the injected gas flows inwardly within a stagnation point and outwardly outside of it. The highest X-ray luminosity is expected for the case of the pure inflows, because of high central gas density. The pure outflows become steady at the Hubble time and result in the lowest luminosity in spite of higher central temperatures. The partial flows are the intermediate case. It is concluded that the results for the pure inflow or partial flow models are consistent with X-ray observational data of the Coma cluster.
Hirayama Yoshiharu
Kogure Tomokazu
Tanaka Yasuhiro
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