High-energy background radiation from quiescent gamma-ray burst sources

Details High-energy background radiation from quiescent gamma-ray burst sources High-energy background radiation from quiescent gamma-ray burst sources

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991natur.353..730v&link_type=abstract

Nature (ISSN 0028-0836), vol. 353, Oct. 24, 1991, p. 730, 731. Research supported by NATO.

Physics

1

Background Radiation, Gamma Ray Bursts, Neutron Stars, Stellar Radiation, Luminosity, Milky Way Galaxy, Stellar Mass Accretion, Thermonuclear Reactions

Scientific paper

It is pointed out here that, if cosmic gamma-ray bursts (GRBs) are caused by thermonuclear flashes in accreted material on the surface of strongly magnetized neutron stars, accretion during the quiescent intervals between bursts will generate a diffuse background emission from what may be a very large number of objects too faint to be individually detected. Because the quiescent emission is related directly to the observed intensity and frequency of GRBs throughout the Galaxy, measurement of the diffuse background in the appropriate energy band may provide a test of the thermonuclear-flash model which is independent of the distance scale to GRB sources, the possible emission anisotropy of both burst and quiescent radiation, and the accretion rates and recurrence times of individual sources.

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