GCN Circular 23410
Subject
GRB 181103A: AbAO optical upper limit
Date
2018-11-05T08:51:38Z (6 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
A. Volnova (IKI), A. Pozanenko (IKI), R. Inasaridze (AbAO), E.
Mazaeva (IKI), S. Belkin (IKI), V. Ayvazian (AbAO), O. Kvaratskhelia
(AbAO), G. Kapanadze (AbAO), I. Molotov (KIAM) report on behalf of
larger GRB follow-up collaboration:
We observed the field of the Swift GRB 181103A (Tohuvavohu et al., GCN
23402) with AS-32 (0.7m) telescope of Abastumani Observatory starting on
Nov. 3 (UT) 15:02:42. We do not detect any object within enhanced
XRT position (Evans et al., GCN 23403). In particular we do not detect
the source reported by LaPorte et al. (GCN 23407). Preliminary
photometry of the field is following:
Date UT start t-T0 Filter Exp. OT Err. UL
(mid, days) (s)
2018-11-03 15:02:42 0.47151 R 63*60 n/d n/d 20.5
The photometry is based on nearby SDSS-DR12 stars (R, Lupton
transformation).