GCN Circular 27440
Subject
GRB 200324A:: TSHAO optical upper limit
Date
2020-03-25T14:19:13Z (4 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
S. Belkin (IKI), I. Reva (FAPHI), A. Pozanenko (IKI), M. Krugov (FAPHI),
E. Mazaeva (IKI), A. Volnova (IKI) report on behalf of IKI-GRB-FuN:
We observed the field of GRB 200324A: (Dichiara et al. GCN 27428) with
Zeiss-1000 1-m telescope of Tien Shan Astronomical Observatory starting
on Mar. 24 (UT) 17:35:57. We found no one object within enhanced
Swift-XRT position (Beardmore et al., GCN 27430). Preliminary
photometry of the field is following.
Date UT start t-T0 Filter Exp. OT Err. UL(3 sigma)
(mid, days) (s)
2020-03-24 17:35:57 0.0638 R 4200 n/d n/d 21.3
The photometry is based on nearby SDSS-DR12 stars.
RA DEC R(Lupton transformation)
222.719432 35.941281 17.353
222.755165 35.913578 16.314
222.698647 35.902796 16.214
222.827959 35.919356 15.822