GCN Circular 26180
Subject
GRB 191106A: Mondy optical upper limit
Event
Date
2019-11-06T16:15:08Z (6 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
S. Belkin (IKI), E. Klunko (ISTP), A. Pozanenko (IKI), E. Mazaeva (IKI),
A. Volnova report on behalf of IKI-GRB-FuN:
We observed the field of GRB 191106A (Marshall et al. GCN 26177) with
AZT-33IK telescope of Sayan observatory (Mondy) starting on Nov. 06 (UT)
14:24:30, i.e. ~11 minutes after GRB trigger. We do not detect any
optical object in the XRT error circle (Marshall et al. GCN 26177).
Preliminary photometry of the field is following.
Date UT start t-T0 Filter Exp. OT UL(3sigma)
(mid, days) (s)
2019-11-06 14:24:30 0.03688 R 22*120 n/d 22.0
Photometry is based on the USNO-B2.0 nearby stars.