GCN Circular 14712
Subject
GRB 130528A: optical upper limit
Event
Date
2013-05-28T19:47:10Z (12 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
A. Volnova (IKI), E. Litvinenko (UBAI), I. Molotov (KIAM), A. Pozanenko
(IKI) report on behalf of larger GRB follow-up collaboration:
We observed the field of GRB 130528A (D'Elia et al., GCN 14711) with
0.4-m telescope of ISON-Kitab observatory starting on May 28 (UT)
17:01:13, i.e. 20 minutes after burst trigger. We took several
unfiltered images of 30 s exposure. In the first image we do not detect
any source in XRT error circle (D'Elia et al., GCN 14711). A photometry
is based on nearby USNO-B1.0 stars:
T_start, T0+, Exposure, OT, UL (3sigma)
(UT) mid, d (s)
17:01:13 0.01395 1x30 n/d 17.3
A finding chart can be found at
http://grb.rssi.ru/GRB130528A/GRB130528A_Kitab_fc.png