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- W1965490230 abstract "view Abstract Citations (128) References (17) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Soft diffuse X-rays in the southern galactic hemisphere. Sanders, W. T. ; Kraushaar, W. L. ; Nousek, J. A. ; Fried, P. M. Abstract A map is presented of the soft X-ray diffuse background flux in the C band (approximately 0.13-0.28 keV) covering almost all of the southern galactic hemisphere. A comparison at constant galactic latitude of both C band and B band (about 0.1-0.18 keV) soft X-ray data with neutral-hydrogen maps shows that the intensity does decrease with increasing neutral-hydrogen column density but in a manner that is inconsistent with photoelectric absorption. It is suggested that the inverse correlation is a displacement effect. X-ray emission regions appear to be where the cool gas is not. Further, the evidence against photoelectric absorption implies that the bulk of the cool gas is beyond the X-ray emitting regions. Fewer than 10 to the 20th power H atoms per sq cm can be between the sun and the X-ray emitting regions. The sun appears to be surrounded by a soft X-ray emission region consisting of gas at a temperature of about 1 million K. Publication: The Astrophysical Journal Pub Date: October 1977 DOI: 10.1086/182545 Bibcode: 1977ApJ...217L..87S Keywords: Background Radiation; Cosmic Gases; Extraterrestrial Radiation; Hydrogen Atoms; Interstellar Matter; X Ray Astronomy; C Band; Diffuse Radiation; Galactic Structure; Gas Density; Intergalactic Media; Southern Hemisphere; Space Radiation full text sources ADS |" @default.
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- W1965490230 date "1977-10-01" @default.
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- W1965490230 title "Soft diffuse X-rays in the southern galactic hemisphere" @default.
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