Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apj...213..405b&link_type=abstract
Astrophysical Journal, Part 1, vol. 213, Apr. 15, 1977, p. 405-407, 409, 411 (8 ff.).
Astronomy and Astrophysics
Astronomy
72
Background Radiation, Diffuse Radiation, Interstellar Matter, Thermal Emission, X Ray Astronomy, Astronomical Maps, Astronomical Models, High Temperature Gases, Interstellar Gas, Interstellar Radiation, X Ray Absorption
Scientific paper
The galactic component of the very soft diffuse X-ray background in three bands, covering the energy ranges of approximately 100 to 188 eV, 150 to 284 eV, and 500 to 850 eV, is mapped primarily at middle and low galactic latitudes. Intense regions on the maps are identified, and the dissimilarity of the three maps is shown to indicate spectral as well as intensity variations over the sky. Three emission-mechanism models involving hot gas at a single temperature are examined, a multitemperature model is found to be required, and several such models based on hot gas in a steady state or in equilibrium are considered. The problem of overpressure raised by Shapiro and Field (1976) is briefly discussed.
Borken R. J.
Burstein P.
Kraushaar William L.
Sanders Wilton T.
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