A possible radio relation between GRBs and old nearby neutron stars

Astronomy and Astrophysics – Astronomy

Scientific paper

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Gamma Ray Bursts, Neutron Stars, Stellar Rotation, Milky Way Galaxy, Radio Sources (Astronomy), Solar Flares, Galactic Halos, Pulsars

Scientific paper

It is proposed that cosmic gamma-ray bursts (GRBs) are generated on old (t greater than 10 exp 8 yr), nearby (within less than 100 pc) neutron stars when their solid crusts crack as they readjust to the new equilibrium configurations as the neutron star rotation slows down. Such slowly rotating, old neutron stars could be either faint long-period (p greater than 3 s) pulsars or weakly modulated variable radio sources. To match the observed rate of GRBs (about 1/d) to the mean density of old neutron stars in the Galactic disk (about 0.001/cu pc), it is sufficient to assume that the interval between bursts on a single neutron star is a few decades.

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