GCN Circular 29093
Subject
GRB 201214A: TSHAO optical upper limit
Date
2020-12-19T22:01:24Z (4 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
S. Belkin (IKI), N. Pankov (HSE), I. Reva (FAPHI), V. Kim (FAPHI), A.
Pozanenko (IKI) report on behalf of GRB IKI FuN:
We observed the field of GRB 201214A (Mereghetti et al., GCN 29037)
with Zeiss-1000 1-m telescope of Tien Shan Astronomical Observatory
starting on Dec. 14 (UT) 18:15:39. We did not find any source in the
enhanced XRT position of an afterglow (Kennea et al., GCN 29092), see
also (Jelinek et. al GCN 29040; Kumar et. al GCN 29091). Preliminary
photometry of the filed is following.
Date UT start t-T0 Filter Exp. OT Err. UL(3 sigma)
(mid, days) (s)
2020-12-14 18:15:39 0.50959 R 22*90 n/d n/d 21.1
The photometry is based on nearby USNO-B1.0 stars.