GCN Circular 28086
Subject
GRB 200711A: AbAO optical upper limit
Date
2020-07-13T09:39:24Z (4 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
A. Pozanenko (IKI), N. Pankov (HSE), K. Kamyshnikov (HSE), R. Ya.
Inasaridze (AbAO), V.R. Ayvazian (AbAO), G. V. Kapanadze (AbAO), S.
Belkin (IKI), E. Mazaeva (IKI), A. Volnova (IKI), I. Molotov (KIAM)
report on behalf of GRB IKI FuN:
We observed the field of GRB 200711A (Fermi GBM Team, GCN 28077;
Marshall et al., GCN 28078; Crnogorcevic et al., GCN 28083) with AS-32
(0.7m) telescope of Abastumani Observatory starting on 2020-07-11 (UT)
23:05:40. We do not detect any object within the enhanced XRT position
error circle (Osborne et al., GCN 28081). Preliminary photometry of the
field is following.
Date UT start t-T0 Filter Exp. OT Err. UL
(mid, days) (s)
2020-07-11 23:05:40 0.50074 R 49*60 n/d n/d 21.3
The photometry is based on nearby USNO-B1.0 stars