GCN Circular 3492
Subject
GRB050525a: optical upper limits
Date
2005-05-27T14:01:46Z (19 years ago)
From
Vasilij Rumjantsev at CrAO <rum@crao.crimea.ua>
V.Rumyantsev (CrAO), G. Kornienko, A. Erofeeva, (UAPhO), A.Pozanenko (IKI)
on behalf of larger GRB follow up collaboration report:
We have observed the refined error box (Cummings et al., GCN 3449) of the
Swift GRB050525a (Band et al., GCN 3466) with 0.4m telescope of Ussuriysk
Astrophysical Observatory (UAPhO), and AT-64 telescope of CrAO on May, 25.
We do not detect OT found by Rykoff et al., (GCN 3465). Upper limits of
unfiltered stacked images calibrated against of R USNO-A2.0 are following:
Mean time Exposure Limiting mag.
May 25
(UT) (s)
13:59 7x60 15.9
19:38 40x60 19.5
The message may be cited.