[vsnet-grb-info 10298] GRB 110213A: optical observations in CrAO

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  11744
SUBJECT: GRB 110213A: optical observations in CrAO
DATE:    11/02/17 05:56:48 GMT
FROM:    Alina Volnova at SAI MSU  <alinusss at 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