GCN Circular 15186
Subject
GRB 130831A: optical observation in Gissar AO
Date
2013-09-07T23:43:47Z (11 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
A. Volnova (IKI), N. Minikulov (Institute of Astrophysics), M.Gulyamov
(Institute of Astrophysics), I. Molotov (KIAM), A. Pozanenko (IKI)
report on behalf of larger GRB follow-up collaboration:
We observed the afterglow (Hagen et al., GCN 15139; Guidorzi et al.,
GCN 15140) of the Swift GRB 130831A (Hagen et al., GCN 15139) with
AZT-8 (0.7m) telescope of Gissar observatory in R filter starting on
Aug. 31 (UT) 17:47:54. A preliminary photometry of combined image is
based on SDSS DR9 stars
T_start T0+ Filter, Exposure, OT, OT_err
(UT) (mid, d) (s)
2013-08-31T17:47:54 0.21932 R 57x60 18.28 0.04
Reference stars SDSS-DR9, (R mag, transformation by Lupton 2005)
N SDSS id R(Lupton)errR
1 J235443.71+292539.3 13.491 0.016
2 J235438.60+292547.3 14.136 0.015
3 J235423.64+292452.8 17.120 0.016