G. S. Bisnovatyi-Kogan and A. N. Timokhin
Astrospace
Center, Lebedev Institute of Physics, Russian Academy of
Sciences,
ul. Profsoyuznaya 84/52, Moscow, 117810 Russia
Received January 7, 1996
Abstract—The
interaction of emission from a cosmological gamma-ray burst with
the interstellar medium surrounding the parent galaxy is
investigated. It is shown that, irrespective of the particular
model used to account for the formation of cosmological gamma-ray
bursts, the brightest bursts should have counterparts at visual
and ultraviolet wavelengths. The light curves of such
counterparts are calculated for bursts with energies of 1051
and 1052 erg in interstellar media with various
densities.
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