[vsnet-grb-info 24081] GRB 191106A: Mondy optical upper limit
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Thu Nov 7 01:17:15 JST 2019
TITLE: GCN CIRCULAR
NUMBER: 26180
SUBJECT: GRB 191106A: Mondy optical upper limit
DATE: 19/11/06 16:15:08 GMT
FROM: Alexei Pozanenko at IKI, Moscow <apozanen at 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.
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