GCN Circular 23951
Subject
GRB 190311A: TSHAO optical observations
Date
2019-03-11T20:28:35Z (5 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
S. Belkin (IKI), I. Reva (FAPHI), A. Pozanenko (IKI), E. Mazaeva (IKI),
A. Volnova (IKI), A. Kusakin (FAPHI), M. Krugov (FAPHI) report on
behalf of IKI-GRB-FuN:
We observed the afterglow of GRB 190311A (Troja et al. GCN 23946) with
Zeiss-1000 1-m telescope of Tien Shan Astronomical Observatory starting
on Mar. 11 (UT) 15:54:08. Preliminary photometry of the afterglow
detected previously (Troja et al. GCN 23946; Pozanenko et al. GCN
23947; Zhu et al. GCN 23948; Gorbovskoy et al. GCN 23949) is following.
Date UT start t-T0 Filter Exp. OT Err. UL
(mid, days) (s)
2019-03-11 15:54:08 0.07228 R 3240 20.87 0.24 21.4
The photometry is based the stars used for calibration in GCN 23947.