GCN Circular 6977
Subject
GRB071010b: optical observation
Event
Date
2007-10-22T18:22:00Z (18 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
V. Rumyantsev (CrAO), A. Pozanenko (IKI) report on behalf of larger GRB
follow-up collaboration:
We observed the optical afterglow (Oksanen GCN 6873, Kann et al. GCN 6884)
of GRB071010b (Markwardt et al., GCN 6871) in R-band on Oct.19 between
(UT) 01:39:50 - 02:54:14 with Zeiss-1000 (Simeiz) telescope of CrAO
observatory. Based on USNO-A2.0 star RA (J2000) = 10 01 59.67, Dec.
(J2000) = +45 46 12.80, R=18.30 we estimated brightness of the optical
afterglow:
T0+, Exposure, R_mag, err
(mid time)
8.230 d 58x60 s 21.9 +0.37 -0.27
The message may be cited.