Subsonic accretion of cooling gas in clusters of galaxies

Details Subsonic accretion of cooling gas in clusters of galaxies Subsonic accretion of cooling gas in clusters of galaxies

Aug 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977mnras.180..479f&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 180, Aug. 1977, p. 479-484.

Astronomy and Astrophysics

Astronomy

286

Astronomical Models, Galactic Clusters, Galactic Evolution, Intergalactic Media, Interstellar Gas, Angular Momentum, Gas Temperature, Stellar Mass Accretion, X Ray Sources

Scientific paper

Slow-moving galaxies in the cores of X-ray emitting clusters can accrete large quantities of cooling gas. The accretion flow is most likely to occur in a subsonic fashion, stagnating at some finite radius. These ideas are applied to NGC 1275 in the Perseus cluster, and it is suggested that they explain the soft X-ray enhancement in that region as well as the stationary optical filaments.

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