GCN Circular 4047
Subject
GRB050922B: optical limit
Event
Date
2005-09-29T13:12:14Z (20 years ago)
From
Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>
G. Kornienko (UAPhO), V.Rumyantsev (CrAO), A.Pozanenko (IKI) on behalf of 
larger GRB follow up collaboration report:
We have observed the error box of the Swift GRB050922B (Norris et al. GCN 
4008) with 0.4m telescope of  Ussuriysk Astrophysical Observatory (UAPhO) in 
R-band starting on Sep. 22 15:22 (UT). No new source was found in the GRB 
error box.  Upper limit of a stacked image (10x60 s) calibrated against  of 
USNO-A2.0 (R) is following:
Mid time,    Exposure, Filter, Limiting mag.
(UT)           (s)
Sep.22 15:37   10x60    R       16.0
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