Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...106..375j&link_type=abstract
Astronomy and Astrophysics, vol. 106, no. 2, Feb. 1982, p. 375-377. Research supported by the Danish Space Board;
Astronomy and Astrophysics
Astrophysics
15
Background Radiation, Cosmic Dust, Cosmic Rays, Diffuse Radiation, Far Ultraviolet Radiation, Hydrogen, Fluorescence, Galactic Evolution, Gas Density, Interstellar Matter, Light Scattering, Line Of Sight, Neutrinos, Stellar Luminosity
Scientific paper
It is shown that the correlation found by several groups between diffuse far-ultraviolet background intensity at intermediate latitudes and line of sight H I column density, can be understood in terms of the combined contributions from scattering of galactic plane starlight off high latitude interstellar dust and fluorescence of molecular hydrogen forming in this material.
Enhanced background intensity in some directions may be due to rapid 112 photodissociatiom in overpressured interstellar material or to the existence of a dust component having a very high ultraviolet albedo and isotropic phase-scattering function.
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