GCN Circular 14187
Subject
GRB 130131B: optical upper limit in Mondy observatory
Event
Date
2013-02-07T15:20:15Z (13 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
A. Volnova (SAI MSU/IKI), I. Korobtsev (ISTP), E. Klunko (ISTP), A.
Pozanenko (IKI) report on behalf of larger GRB follow-up collaboration:
We observed the field of the Swift GRB 130131B (Siegel et al., GCN
14159) with AZT-33IK telescope of Sayan observatory (Mondy) on Jan. 31
between (UT) 19:51:32-20:51:58. We took several images in R-filter of 60
s exposure. Within enhanced XRT position (Goad et al., GCN 14165) we do
not detect any source in a combined image. Photometry is based on nearby
SDSS DR8 stars.
UT start, t-t0 filter Exp. OT UL (3 sigma)
(mid, days) (s)
19:51:32 0.04973 R 60x60 n/d 22.5