Spectrum and origin of X- and gamma-ray diffuse background

Details Spectrum and origin of X- and gamma-ray diffuse background Spectrum and origin of X- and gamma-ray diffuse background

Oct 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...209..350r&link_type=abstract

Astrophysical Journal, vol. 209, Oct. 15, 1976, pt. 1, p. 350-355.

Astronomy and Astrophysics

Astronomy

8

Background Radiation, Compton Effect, Cosmic X Rays, Diffuse Radiation, Gamma Rays, X Ray Spectra, Electron Energy, Galactic Nuclei, Quasars, X Ray Astronomy

Scientific paper

The effects of Compton interactions of X- and gamma-ray spectra with low-energy electrons are examined. It is demonstrated that the interactions can explain spectral singularities around 25 keV and 1 MeV observed in the X- and gamma-ray diffuse-background spectrum. These interactions very likely occur in the source of radiation. Then most of the X- and gamma-ray diffuse background would be due to a large number of unresolved, dense, extragalactic objects which might be galactic nuclei or quasars. Observations of some extragalactic X-ray objects confirm the existence of such sources.

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