GCN Circular 11979
Subject
GRB 110422A: optical observations in CrAO, second epoch
Date
2011-04-26T20:25:41Z (13 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
V. Rumyantsev, K. Antoniuk (CrAO), A. Pozanenko (IKI) report on behalf of
larger GRB follow-up collaboration:
We observed the field of the Swift GRB 110422A (Mangano et al., GCN 11957)
with AZT-11 telescope of CrAO between Apr. 24 (UT) 19:21 - 21:10. We detect
the afterglow (Klunko et al. GCN 11958, Gres et al. GCN 11960, Xu et al. GCN
11961). The photometry is based on the USNO B1.0 star 1651-0050626 (07 28
13.15 +75 06 51.5) assuming R=18.56:
T0+ Filter, Exposure, mag.
(mid, d) (s)
2.1910 R 36x180 21.3 +/-0.3