Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...249l..51f&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor, vol. 249, Oct. 15, 1981, p. L51-L54.
Astronomy and Astrophysics
Astrophysics
36
Background Radiation, Coronas, Far Ultraviolet Radiation, Galactic Radiation, Interstellar Matter, Ultraviolet Spectra, Atomic Excitations, Emission Spectra, High Temperature Plasmas, Line Spectra, Photoionization, Rocket-Borne Instruments
Scientific paper
The presence of an emission-line component to the radiation field is suggested by rocket observations, at low resolution, of the spectrum of the diffuse, far-ultraviolet background near the north galactic pole. Removal of the line emission leaves a residual uniform cosmic ultraviolet background radiation of only 150 + or - 50 photons/sq cm s sr A, or about half that previously reported. The lines, which are at the wavelengths of the collisionally-excited atom emissions that have been predicted to arise from a hot galactic corona, suggest that there is no need to explain observed high-ionization states at high galactic latitudes as being due to photoionization caused by neutrino decay.
Brune William H.
Feldman Paul D.
Henry Richard C.
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