GCN Circular 7869
Subject
GRB 080603b: optical observation
Event
Date
2008-06-11T23:29:52Z (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 field of Swift GRB 080603b (Mangano et al., GCN 7794) on
June 06 betwen (UT) 19:20:31 - 20:27:07 with Zeiss-1000 (Simeiz) telescope
of CrAO observatory with favorable weather conditions. We do not detect
optical afterglow (Rujopakarn, et al., GCN 7792) in a combined image of
R-band up to 22.5 (3sigma). A photmetry is obtained in comparison with
nearby USNOB-1.0 stars:
UT, Exposure, UL
(mid time)
3.011 d 33x120 s 22.5 (3sigma)
The message may be cited.