Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...327l...1p&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 327, April 1, 1988, p. L1-L3.
Astronomy and Astrophysics
Astrophysics
22
Background Radiation, Cosmic X Rays, Galactic Clusters, Intergalactic Media, X Ray Sources, Baryons, Cosmology, Heao 1, Mass To Light Ratios, Velocity Distribution
Scientific paper
The Bahcall-Soneira complete sample of superclusters was searched for X-ray emission in the HEAO 1A-2 data base. No statistically significant emission from diffuse intrasupercluster gas was detected; a 3σ upper limit to the mean individual flux is 10-11ergs cm-2s-1. Implications of this bound to measurements of the Zeldovich-Sunyaev effect toward clusters within a supercluster and to the supercluster contribution to the cosmic X-ray background are discussed.
Boldt Elihu
Persic Massimo
Rephaeli Yoel
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