The X-ray structure of the 3C 295 cluster - A cooling flow at a redshift of 0.5

Details The X-ray structure of the 3C 295 cluster - A cooling flow at a redshift of 0.5 The X-ray structure of the 3C 295 cluster - A cooling flow at a redshift of 0.5

Feb 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...301..689h&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 301, Feb. 15, 1986, p. 689-697.

Astronomy and Astrophysics

Astrophysics

96

Cooling Flows (Astrophysics), Cosmic Gases, Galactic Clusters, Heao 2, Intergalactic Media, X Ray Imagery, X Ray Sources, Astronomical Models, Extragalactic Radio Sources, Galactic Structure, Hubble Constant, Red Shift, Satellite-Borne Instruments

Scientific paper

The authors describe the X-ray morphology of the 3C 295 cluster. All X-ray and optical data are consistent with an isothermal hydrostatic equilibrium model with parameters similar to nearby clusters. There is evidence for a cooling flow of approximately 145 M_sun;yr-1 onto 3C 295 itself. From a comparison of the cooling times of low-redshift clusters with the 3C 295 cluster, the authors determine that the Hubble constant is H0 ≤ 20 (+27,-9) km s-1Mpc-1. The on-orbit performance characteristics of the high-resolution imager of the Einstein Observatory is also presented.

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