Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...284..856m&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 284, Sept. 15, 1984, p. 856-868.
Astronomy and Astrophysics
Astronomy
24
Astronomical Models, Galactic Cosmic Rays, Gamma Ray Astronomy, Interstellar Matter, Molecular Clouds, Point Sources, Cos-B Satellite, Gamma Ray Spectra, Likelihood Ratio, Particle Acceleration, Shock Wave Interaction, Supernovae
Scientific paper
Available data constrain possible models of the gamma-ray point (or pointlike) sources found by COS B. Apart from the pulsars (Crab, Vela) and possibly the quasar 3C 273, which are "compact" objects, and which have been identified at other photon energies, there are some 20-odd other sources with no accepted or acceptable counterpart, as yet. This class of "gamma-ray objects" may be due to cosmic ray interaction with aggregates of diffuse interstellar matter - i.e., clouds. The constraints on this hypothesis, both observationally and theoretically, are discussed for various scenarios.
Bignami Govanni
Forman Miriam
Morfill Gregor E.
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