GCN Circular 24698
Subject
GRB 190530A: AbAO optical observations
Date
2019-05-31T21:55:33Z (5 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
S. Belkin (IKI), A. Pozanenko (IKI), R. Ya. Inasaridze (AbAO), V.R.
Ayvazian (AbAO), E. Mazaeva (IKI), A. Volnova (IKI) report on behalf
of larger IKI GRB FuN collaboration:
We observed the optical afterglow (Lipunov et al., GCN 24680, 24693;
Kann et al., GCN 24684; Melandri et al., GCN 24689; Heintz et al., GCN
24686; Lzzo et al., GCN 24687; Xin et al., GCN 24688; Watson et al.,
GCN 24690; Xin et al., GCN 24697) of the Fermi GBM, LAT GRB 190530A
(Fermi GBM Team, GCN 24676; Longo et al., GCN 24679) with AS-32
(0.7m) telescope of Abastumani Observatory starting on May 31 (UT)
17:44:00. Preliminary photometry of the afterglow is following.
Date UT start t-T0 Filter Exp. OT Err. UL
(mid, days) (s)
2019-05-31 17:44:00 1.32171 R 19*60 18.5 0.1 19.5
The photometry is based on nearby USNO-B1.0 stars
USNO-B1.0_id R2
1255-0157926 13.35
1254-0159410 12.63
1255-0157793 13.56