X-ray flashes from M31 based on extended halo models of gamma-ray bursts

Details X-ray flashes from M31 based on extended halo models of gamma-ray bursts X-ray flashes from M31 based on extended halo models of gamma-ray bursts

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...400l..59l&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 400, no. 2, p. L59-L62.

Astronomy and Astrophysics

Astrophysics

12

Andromeda Galaxy, Galactic Halos, Gamma Ray Bursts, X Rays, Luminosity, Neutron Stars, Proportional Counters, Rosat Mission, Spatial Distribution

Scientific paper

We consider X-ray flashes (XRFs) associated with gamma-ray bursts (GRBs) from M31, using an extended halo model. We find that for XRFs detectable with the ROSAT Position Sensitive Proportional Counter, the expected rate is much less than 1/d for a variety of halo models. Hence we need M31 surveys much longer than a weak to seriously confront the extended halo hypothesis.

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