[vsnet-grb-info 6241] GRB 080603b: optical observation
GCN Circulars
gcncirc at capella.gsfc.nasa.gov
Thu Jun 12 08:30:21 JST 2008
TITLE: GCN CIRCULAR
NUMBER: 7869
SUBJECT: GRB 080603b: optical observation
DATE: 08/06/11 23:29:52 GMT
FROM: Alexei Pozanenko at IKI, Moscow <apozanen at 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)
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