Free Access
Issue
Astron. Astrophys. Suppl. Ser.
Volume 138, Number 3, September 1999
Gamma-Ray Bursts in the Afterglow Era Contents Rome, November 3-6, 1998
Page(s) 551 - 552
DOI https://doi.org/10.1051/aas:1999348
Published online 15 September 1999
DOI: 10.1051/aas:1999348



Astron. Astrophys. Suppl. Ser. 138, 551-552

Origin of GRB afterglows in the model of galactic neutron stars

G.S. Bisnovatyi-Kogan

Send offprint request: G.S. Bisnovatyi-Kogan

Space Research Institute, 84/32, Profsoyuznaya st., Moscow, Russia
e-mail: gkogan@mx.iki.rssi.ru

Received December 29, 1998; accepted June 3, 1999

Abstract:

The launch of the Beppo-Sax satellite gave a unique opportunity to investigate gamma ray bursts (GRB) in different spectral regions. The large diversity of the afterglow behavior creates additional problems for the cosmological model with a fireball. Formation of the afterglow giving the observed diversity of properties is suggested in the Galactic neutron star model of GRBs. It is based on the transient accretion disc formation around the neutron star with a low-mass brown companion irradiated by the neutron star.

Key words: gamma-ray: bursts

Copyright The European Southern Observatory (ESO)

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