GCN Circular 23843
Subject
GRB 190202A: TSHAO optical observations
Date
2019-02-03T11:14:49Z (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 collaboration:
We observed the afterglow of GRB 190202A (Lien et al., GCN 23830;
Novichonok et al., GCN 23831; Evans et al., GCN 23832; Steeghs et al.,
GCN 23833; Kuin et al., GCN 23834; Verrecchia et al., GCN 23835;
Markwardt et al., GCN 23836; Veres et al., GCN 23838; Cucchiara et al.,
GCN 23839; Lien et al., GCN 23840; Paek et al., GCN 23841; Malesani et
al., GCN 23842) with Zeiss-1000 1-m telescope of Tien Shan Astronomical
Observatory starting on Feb. 02 (UT) 21:04:32. Preliminary photometry
of the field is following.
Date UT start t-T0 Filter Exp. OT Err. UL
(mid, days) (s)
2019-02-02 21:04:32 0.82502 R 21*120 20.43 0.11 21.6
The photometry is based on nearby USNO-B1.0 stars