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GCN Circular 3229

Subject
GRB 050410, optical observations
Date
2005-04-11T00:51:02Z (19 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
V.Rumyantsev (CrAO), V.Biryukov (SAI, MSU), and A.Pozanenko (IKI) on behalf
of larger GRB follow up collaboration report:

We have obtained 20 unfiltered images of the Swift trigger #114298 error box
(GRB050410, Fenimore et al., GCN 3219).  The images were taken with the
AT-64 telescope of Crimean Astrophysical observatory and cover the period UT
17:25 - 18:20 of  April 10, 2005. No new source was found within SWIFT  the
XRT position (Parola, et al., GCN 3218) in comparison with DSS2 (R).
Limiting magnitude of the combined image (S/N=3) calibrated against R
USNO-A2.0 is following

Mid Time(UT)       telescope   exposure    limiting mag.
April 10  17:57        AT-64     20x120 s       20.4

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