A two dimensional model for γ-ray bursts

Details A two dimensional model for γ-ray bursts A two dimensional model for γ-ray bursts

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982aipc...77..299f&link_type=abstract

AIP Conference Proceedings, Volume 77, pp. 299-309 (1982).

Physics

2

X-Ray Sources, X-Ray Bursts, Neutron Stars

Scientific paper

Accretion focused onto a neutron star by a strong magnetic field results in the formation of a lake of helium at the magnetic pole. For the model calculated here, the depth of the lake is 90 m and the radius is taken to be 400 m. After a critical mass of helium has accumulated, a thermonuclear runway initiates at a point at the base of the helium layer resulting in a detonation wave which propagates across lake at a constant velocity of 9000 km s-1 without dying out, igniting all the helium and eventually liberating 2.4×1039 ergs. The interaction of the hot plasma behind the detonation front with the magnetic field produces the hard radiation observed in γ-ray bursts. The rise time of the burst predicted by this model is about 50 μs, the time required for the detonation to propagate across the helium lake.

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