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Catching the light curve of a flaring GRB. The opportunity offered by gravitational lensing

G.M. Beskin1 - A. Shearer2 - A. Golden2 - C. Bartolini3 - A. Guarnieri3 - N. Masetti4 - A. Piccioni3

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1 - Special Astrophysical Observatory, Russia
2 - University of Galway, Ireland
3 - Dipartimento di Astronomia, Università di Bologna, via Zamboni 33, I-40126 Bologna, Italy
4 - Istituto Te.S.R.E., CNR, Bologna, Italy

Received December 29, 1998; accepted June 3, 1999


The photometric history of the events related to Gamma-Ray Bursts can be studied from the very beginning, or even before, if they are repeated (at least two times after the first event) by effect of gravitational lensing. These possibilities are analyzed for different kinds of lensing galaxies in the frame of their simple models.

Key words: gravitational lensing, gamma-rays: bursts

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