GCN Circular 11168
Subject
GRB 100901A: optical observation at Mt.Terskol
Date
2010-09-01T23:22:35Z (14 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
M. Andreev, A. Sergeev (Terskol Branch of Institute of Astronomy) and A.
Pozanenko (IKI) on behalf of larger GRB follow up collaboration report:
We are continuing observations of the Swift GRB 100901A (Immler et al., GCN
11159) with the Z-600 telescope of Mt.Terskol observatory in R-filter
(Andreev et al., GCN 11166). In a combined image at mid time Sep. 01 (UT)
20:09 we still detect bright afterglow (Immler et al., GCN 11159; Guidorzi
et al., GCN 11160; Ivanov et al., GCN 11161; Klunko et al., GCN 11162).
Preliminary photometry is based on the reference star USNO-B1.0
#1127-0027231 RA(J2000) = 01 49 06.78 Dec(J2000) = +22 47 03.3 assuming
R=15.37:
T0+ Filter, Exposure, OT
(d) (s)
0.2742 R 5x60 17.05 +/-0.02