GCN Circular 15995
Subject
GRB 140311B: Mondy optical limit
Event
Date
2014-03-18T20:45:27Z (12 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
A.Volnova (IKI), E. Klunko (ISTP), I. Korobtsev (ISTP), M. Eselevich
(ISTP), A. Pozanenko (IKI) report on behalf of larger GRB follow-up
collaboration:
We observed the field of GRB 140311B (Racusin et al., GCN 15945) with
AZT-33IK telescope of Mondy observatory starting on Mar. 12 (UT)
20:21:16. Within enhanced Swift-XRT eror circle (Evans et al., GCN
15958) we do not detect the optical afterglow (Xu et al., GCN 15949).
Details of the photometry is following:
date UT start t-T0 Exp. Filter UpperLimit (3sigma)
(mid, days) (s)
2014-03-12 20:21:16 0.98389 30x120 R 20.2
The photometry is based on reference star SDSS-DR9, (R mag,
transformation by Lupton 2005):
N SDSS_id R(Lupton) err
J164910.91+524333.6 17.449 0.009