An Episodic Accretion Model for Cosmic Gamma-Ray Bursts

Details An Episodic Accretion Model for Cosmic Gamma-Ray Bursts An Episodic Accretion Model for Cosmic Gamma-Ray Bursts

Aug 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976pthph..56..542h&link_type=abstract

Progress of Theoretical Physics, Vol. 56, No. 2, pp. 542-550

Physics

4

Scientific paper

The isotropic distribution of cosmic γ-ray bursts and the burst structure on time scales as short as 0.1 sec, which implies a source size ≲ 3× 109 cm, strongly suggests a local origin. From this point of view the episodic accretion of gas onto a neutron star is examined. The entire treatment applies to the spherically symmetric and non-relativistic case. The model of this type can account qualitatively for observed features of cosmic γ-ray bursts. In order to obtain a burst of its maximum flux ˜ 1037 erg/sec, we should assume a magnetic neutron star with the surface field ˜ 1012 gauss.

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