Contribution of the Tully groups to the soft X-ray background

Details Contribution of the Tully groups to the soft X-ray background Contribution of the Tully groups to the soft X-ray background

Feb 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ap%26ss.200...97b&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 200, no. 1, p. 97-105.

Astronomy and Astrophysics

Astronomy

Background Radiation, Galactic Clusters, Radiation Sources, X Ray Astronomy, Bremsstrahlung, Luminosity, Recombination Reactions

Scientific paper

We examine a model for the expected contributions to the soft X-ray background (SXRB) due to bremsstrahlung and recombination radiation of gas, enriched with heavy elements, located in groups of galaxies taken from Tully's Catalog of Nearby Groups of Galaxies. It is shown that the contribution to the SXRB of groups of galaxies can explain up to 20 percent of the observed flux depending on the chemical composition and ratio of emitting mass to assumed virial mass.

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