GCN Circular 23423
Subject
GRB 181110A: optical observations in Chilescope observatory
Date
2018-11-11T18:27:48Z (5 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
S. Belkin (IKI), A. Pozanenko (IKI), E. Mazaeva (IKI), A. Volnova (IKI)
report on behalf of IKI-FuN follow-up collaboration:
We observed the field of GRB 181110A (Evans et al., GCN 23413) with
RC-1000 telescopes of CHILESCOPE observatory. Observation started on
Nov. 11 (UT) 01:02:08 in r'-filter and were performed under moderate
seeing conditions of 1.5''. We detect optical afterglow (Evans et al.,
GCN 2341; Yamanaka et al., GCN 23414; Murata et al., GCN 23415;
Denisenko et al., GCN 23416; Perley et al., GCN 23421; Bolmer et
al., GCN 23422).
Preliminary photometry in AB is following.
Date UT start t-T0 Filter Exp. OT Err. UL
(mid, days) (s)
2018-11-11 01:02:08 0.69979 r' 10*300 20.53 0.10 22.8
The photometry is based on several nearby stars, magnitudes taken from
NOMAD catalog and Jester et al. (2005) transformations.