GCN Circular 12052
Subject
GRB 110530A: optical observations at Mt. Terskol
Date
2011-05-30T21:51:28Z (13 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
M. Andreev, A. Sergeev, I. Sokolov (Terskol Branch of Institute of
Astronomy), Yu. Bronich (IC AMER of NASU), A.Pozanenko (IKI) on behalf of
larger GRB follow up collaboration report:
We observed the optical afterglow of the Swift GRB 110530A (D'Avanzo et
al, GCN 12046) with Zeiss-2000 and Zeiss-600 telescopes of Mt.Terskol
observatory. Optical afterglow is detected in a stacked images. The
photometry is based on the star USNO-B1.0 1519-0265568 (RA=18 48 15.86,
Dec=+61 56 15.0) assuming R=16.08 is following
UT (mid time), Exposure, Filter, OT
18:00 12 x 30 s R(gunn) 20.32 +/- 0.08
18:58 24 x 150 s R 20.6 +/- 0.2