Implication of the discovery of the proper motion of the optical counterpart of GRB 970228 for the models of gamma-ray bursts

B. Czerny, T. Bulik, M. Sikora +1

The accurate position determination of GRB 970228 by the Beppo/SAX Satellite led to the discovery of a fading X-ray and optical counterparts of the burst. About a month after the G…