GCN Circular 3261
Subject
GRB050408: optical observation
Date
2005-04-13T20:25:10Z (20 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
B. Kahharov, M. Ibrahimov, D. Sharapov (MAO), A.Pozanenko (IKI),
V.Rumyantsev (CrAO), G.Beskin (SAO) report:
We observed the afterglow (Ugarte et al., GCN 3192) of the HETE GRB050408
(Sakamoto et al., GCN 3189) with 1.5m telescope of the Maidanak
Astronomical Observatory (MAO), Uzbekistan under modarate weather conditions
(seeing ~1.8 arcsec) on April 9 between 19:29:30 - 20:09:00 (UT). The
optical source is clearly visible in the position of OT (Ugarte et al., GCN
3192; Huang et al., GCN 3196). A preliminary R-photometry against of
USNO-B1.0 Catalog is the following:
Mean time Exposure Mag.
(UT) (s)
Apr. 9.828 7x300 22.55 +/- 0.35
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