GCN Circular 23311
Subject
GRB 181010A: LCO Cerro Tololo observations
Date
2018-10-10T07:35:32Z (6 years ago)
From
Cristiano Guidorzi at Ferrara U,Italy <guidorzi@fe.infn.it>
R. Martone, C. Guidorzi (U. Ferrara), S. Kobayashi (LJMU), C.G. Mundell
(U. Bath), A. Gomboc (U. Nova Gorica), I.A. Steele (LJMU), A. Cucchiara,
D. Morris (U. of Virgin Islands) on behalf of a large collaboration report:
We automatically began observing Swift GRB 181010A (Melandri et al. GCN
23309) with one LCO 1-m unit at Cerro Tololo from October 10, 06:02:54
UT (corresponding to 7.1 minutes from the GRB trigger time) with the
SDSS r' filter. We clearly detect the optical counterpart reported by
Swift-UVOT with r'=19.98 +- 0.12 mag from a 3x120s exposure at a mid
time of 10.7 minutes post GRB, as calibrated against nearby Pan-STARRS
objects.