Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977ssrv...20..815t&link_type=abstract
Space Science Reviews, vol. 20, Sept. 1977, p. 815-888.
Astronomy and Astrophysics
Astrophysics
88
Astrophysics, Cosmic X Rays, Diffuse Radiation, Sky Brightness, Background Radiation, Energy Spectra, Radiation Distribution
Scientific paper
The current status of the investigation of the soft X-ray diffuse background in the energy range from 0.1 to 2.0 keV is reviewed. A consistent model based on the soft X-ray brightness distribution and the energy spectrum over the sky is derived. The observed diffuse background is predominantly of galactic origin and considered as thermal emission for the most part from a local hot region with a temperature of the order of 1 million K and which includes the solar system. Several pronounced features of enhanced emission are interpreted in terms of hot regions with temperatures of up to 3 million K, some of which are probably old supernova remnants. The properties of the soft X-ray emitting regions are discussed in relation to observational results on O VI absorption.
Bleeker Johan A. M.
Tanaka Yasuhiro
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