Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...240..387p&link_type=abstract
Astrophysical Journal, Part 1, vol. 240, Sept. 1, 1980, p. 387-400.
Astronomy and Astrophysics
Astronomy
91
Background Radiation, Far Ultraviolet Radiation, Galactic Radiation, Intergalactic Media, Ultraviolet Astronomy, Cosmic Dust, Interstellar Radiation, Red Shift, Stellar Radiation
Scientific paper
Data from the 1350-1550 A bandpass channel of the 2.5-deg angular resolution extreme-ultraviolet telescope on the Apollo-Soyuz mission have been analyzed for stellar and airglow radiation contributions for the galactic latitude range above 30 deg. At intermediate latitudes, the resulting diffuse background is found to be correlated with the neutral hydrogen column density as determined by 21 cm radio data. This result, together with the observed anisotropy and mean intensity of the radiation field, is consistent with the hypothesis that scattering of galactic-plane starlight off dust grains having an albedo of 0.5 and a phase function coefficient of 0.5 is the primary source of the observed radiation field at the intermediate latitudes. The background intensity near the poles is, however, higher than expected from the H I column density and extinction measurements.
Bowyer Stuart
McKee Christopher F.
Paresce Francesco
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