Astronomy and Astrophysics – Astrophysics
Scientific paper
2002-06-18
New Astron. 8 (2003) 209-212
Astronomy and Astrophysics
Astrophysics
7 pages, 0 figures
Scientific paper
10.1016/S1384-1076(02)00231-2
The SN explosion in the closed binary can give the magnetospheric flare possessing the properties of GRB. The SN shock, flowing around the magnetosphere of a magnetized neutron star or a white dwarf, produces a narrow magnetic tail 10^9 cm long, 10^8 cm wide and a magnetic field of 10^6 Gauss. Fast particles (Lorentz factor of 10^4), generated in the tail by reconnection processes, radaite gamma rays of the 100 KeV - 1 MeV energies. The duration of radiation T<1 sec corresponds to a short GRB. Apart, the powerful shock can tear and accelerate part of the tail. That is the relativistic, strongly magnetized jet, producing gamma radiation and also X-rays and optic afterglow. That is long (T> 10 sec) GRB. The duration of the afterglow is inversly proportional to the photon energy and is several months for optic.
Istomin Ya N.
Komberg Boris V.
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