On the binary nature of cosmic gamma-ray burst sources

Details On the binary nature of cosmic gamma-ray burst sources On the binary nature of cosmic gamma-ray burst sources

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985natur.314..242r&link_type=abstract

Nature (ISSN 0028-0836), vol. 314, March 21, 1985, p. 242-245.

Astronomy and Astrophysics

Astronomy

22

Binary Stars, Gamma Ray Bursts, Radiation Sources, Stellar Evolution, Astronomical Models, Companion Stars, Fluence, Gravitational Collapse, Stellar Systems

Scientific paper

The binary model of gamma ray burst sources wherein the bursts are emitted by a collapsed object in a close-binary stellar system and a small fraction of the gamma radiation is reprocessed into optical radiation in the surface layers of a companion star is considered, and it is concluded that the model is viable. In particular, under the assumption that the optical flashes discovered by Schaefer (1981) and Schaefer et al. (1984) were produced by gamma-ray bursts of about the same intensity as those observed, it is found that nearby binary systems with secondaries whose masses are less than about 0.06 solar mass can fit all the observational constraints for the three optical/gamma-ray pair events.

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