Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...236..738j&link_type=abstract
Astrophysical Journal, Part 1, vol. 236, Mar. 15, 1980, p. 738-744. Research supported by the Lockheed Independent Research Pro
Astronomy and Astrophysics
Astronomy
6
Galactic Clusters, Radio Galaxies, Sas-3, Spaceborne Astronomy, X Ray Sources, Ariel 5 Satellite, Heao 1, High Temperature Gases, Intergalactic Media, Oso-8
Scientific paper
X-ray and radio observations of the cluster of galaxies show that the central cD galaxy dominates the emissions. Resolution of the X-ray source shows that its extent is significantly greater than that of the profile of surface brightness of the cD galaxy. Dressler's model of most of the cluster mass with very high M/L(v) is similarly extended. The optically dark mass may provide low-energy X-ray emission of the coronae of 5 x 10 to the 16th stars with very high M/L(v), but in the 2-10 keV range the data are consistent with current theoretical predictions for hot intracluster gas.
Delvaille John P.
Johnson Hugh M.
Schnopper Herbert W.
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