GCN Circular 18558
Subject
GRB 151027A: Mt. Terskol observatory optical observation
Date
2015-11-04T10:08:22Z (9 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
V. Kozlov (IC AMER, NASU), M. Andreev (Terskol Branch of INASAN), E.
Mazaeva (IKI), A. Sergeev (Terskol Branch of INASAN), A. Volnova (IKI), A.
Pozanenko (IKI) report on behalf of larger GRB follow-up collaboration:
We observed the field of GRB 151027A (Maselli et al., GCN 18478) with
Zeiss-600 telescope of Mt. Terskol observatory in R-filter starting on Oct.
28 (UT) 21:23:11. We obtained several images in R-filter. The afterglow
(Maselli et al., GCN 18478; Zheng and Filippenko, GCN 18479) is clearly
detected in a combined image. The photometry of the combined image is
following
Date UT start t-T0 Filter Exp. OT Err
(mid, days) (s)
2015-10-28 21:23:11 1.7431 R 25*120 19.56 0.12
The photometry is based on nearby USNO-B1.0 stars
USNO-B.1_id R2
1513-0237223 16.66
1513-0237170 15.58
1513-0237251 16.81
1513-0237270 16.78