[vsnet-grb-info 21852] GRB 190311A: TSHAO optical observations
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Tue Mar 12 05:29:48 JST 2019
TITLE: GCN CIRCULAR
NUMBER: 23951
SUBJECT: GRB 190311A: TSHAO optical observations
DATE: 19/03/11 20:28:35 GMT
FROM: Alexei Pozanenko at IKI, Moscow <apozanen at 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.
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