Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977a%26a....59..233b&link_type=abstract
Astronomy and Astrophysics, vol. 59, no. 2, July 1977, p. 233-238.
Astronomy and Astrophysics
Astrophysics
8
Compton Effect, Far Infrared Radiation, Galactic Radiation, Gamma Rays, Interstellar Radiation, Bremsstrahlung, Cosmic Rays, Diffuse Radiation, Electron Distribution, Galactic Nuclei, High Energy Electrons, Interstellar Matter, Spatial Distribution
Scientific paper
A quantitative prediction is made of the galactic medium energy (10-30 MeV) gamma ray emission arising from the Inverse Compton scattering of cosmic ray electrons on the interstellar photon field. Particular attention is devoted to the far-infrared (not less than 100 microns) diffuse galactic component; in particular, its energy density galactocentric distribution is derived. Results are given as a function of two basic assumptions on the high-energy electron spatial distribution, i.e., constancy and exponential decrease away from the galactic center. A comparison with the bremsstrahlung results of Fichtel et al. (1976) shows how future experimental data can provide discriminating results between the various proposed cases.
Bignami Giovanni F.
Piccinotti G.
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