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GCN Circular 11744

Subject
GRB 110213A: optical observations in CrAO
Date
2011-02-17T05:56:48Z (13 years ago)
From
Alina Volnova at SAI MSU <alinusss@gmail.com>
V. Rumyantsev(CrAO),  K. Antoniuk (CrAO), A. Pozanenko (IKI) report on
behalf of larger GRB  follow-up collaboration:

We observed  the field of the Swift GRB 110213A (D'Elia et al., GCN 11705)
with AZT-11 telescope of CrAO between Feb. 14 (UT) 19:25 - 20:25 under poor
seeing of about 5". We do not detect the UVOT afterglow up to R=19.5 (3
sigma). The photometry based on the USNO-B1.0 star 1392-0070724 (J2000) 02
51 53.41 +49 16 02.9, assuming R=16.83:

T0+      Filter,   Exposure, OT mag., UpperLimit
(mid, d)              (s)

1.6095  R         20x180     n/d          19.5
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