GCN Circular 2083
Subject
GRB030329, optical observation
Event
Date
2003-04-03T18:22:36Z (23 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
E.Pavlenko, V.Rumyantsev, O.Antoniuk, N.Primak (CrAO) and A.Pozanenko (IKI)
report:
We continue to monitor the OT of GRB030329 (see also GCN 2005, 2028, 2050,
2067).
The OT found by Peterson and Price (GCN 1985) was imaged Cassegrain 38-cm
telescope of CrAO. Several 300 sec. exposures in R (Johnson) spectral band
were obtained during Apr. 2. Based on filed photometry by A. Henden (GCN
2023) we estimate the OT magnitude:
Mid time exposure R
(UT)
2.7648 5x300c 17.83 +/- 0.08
2.7929 5x300c 17.76 +/- 0.08
2.8436 5x300c 17.89 +/- 0.07
2.8739 5x300c 17.76 +/- 0.09
After steep decay between Apr 1. and Apr. 2 we observed a flattening of
light curve which may be a start of new episode of re-brightening.
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