Gamma ray bursts: an outline of current theories

Details Gamma ray bursts: an outline of current theories Gamma ray bursts: an outline of current theories

Nov 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974csgr.conf...47p&link_type=abstract

In ESRO The Context and Status of Gamma Ray Astronomy p 47-50 (SEE N75-25813 16-93)

Astronomy and Astrophysics

Astronomy

Cosmic Rays, Gamma Rays, Radio Bursts, X Ray Sources, Energy Spectra, Galactic Radiation, Neutron Stars, Photons, Supernovae

Scientific paper

Various theories are outlined for explaining the origin of gamma ray bursts of high-energy photons with high-energy fluxes from 0.0001 to 0.00001 erg/sq cm, a typical duration of the order of seconds, and spectral range from several keV to about 1 MeV. The isotropy of the sources implies either a local (within 100 pc) or extragalactic (1 to 10 Mpc) origin for the bursts. A discussion of the relation 'number of sources vs. intensity' provides preliminary evidence for a local origin, but the statistics do not yield a conclusive answer. Local and extragalactic models are reviewed and suggest the possibilities of several transient phenomena.

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