GCN Circular 12177
Subject
GRB 110719A: optical upper limit
Event
Date
2011-07-19T15:54:18Z (14 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
A. Volnova (SAI MSU), L. Elenin (ISON), I. Molotov (ISON), A. Pozanenko
(IKI) report on behalf of larger GRB follow-up collaboration:
We observed the field of GRB 110719A (Sakamoto et al. GCN 12173) with
0.45-m telescope �f ISON-NM observatory on July 19 starting (UT) 06:54:39.
We took 30 unfiltered images. In a stacked image we do not detect any
source within enhanced XRT error circle (Goad et al., GCN 12176) up to
19.7m. The photometry is based on the USNO-B1.0 1245-0023215 star
(RA=01:38:11.95, Dec=+34:35:52.6) assuming R=13.72.
T0+ Filter, Exposure, OT, Upper Limit
(mid, d) (s)
0.04370 none 30x60s n/d 19.7