Archival search for recurrent activity at the position the gamma-ray burst GRB 970228 optical counterpart
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We have examined 8004 plates at the Harvard College Observatory Plate Collection searching for optical transient emission from the gamma-ray burst GRB 970228. This is the first archival search carried out so far for a gamma-ray burst with known transient optical emission. The total exposure time amounts to ~1.1 yr. No convincing optical activity was found above 12.5 mag at the expected position of the GRB 970228 optical counterpart.
2 pages, 1 encapsulated PostScript and 1 jpeg figure included. Uses Astronomy & Astrophysics LaTeX macros. Accepted for publication in A&A
2 pages, 1 encapsulated PostScript and 1 jpeg figure included. Uses Astronomy & Astrophysics LaTeX macros. Accepted for publication in A&A