GCN Circular 22577
Subject
GRB 180331B: AbAO optical observations
Event
Date
2018-04-01T03:30:42Z (7 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
A. Volnova (IKI), A. Pozanenko (IKI), E. Mazaeva (IKI), R. Inasaridze
(AbAO), 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 GRB 180331B (Lien et al., GCN 22573) with
AS-32 (0.7m) telescope of Abastumani Observatory starting on Mar. 31
(UT) 17:49:41. We do not detect any object within enhanced XRT
position (Goad et al., GCN 22575). Preliminary photometry of the field
is following.
Date UT start t-T0 Filter Exp. OT Err. UL
(mid, days) (s)
2018-03-31 17:49:41 0.11370 CR 38*60 n/d n/d 22.3
The photometry is based on nearby USNO-B1.0 stars (R2 magnitude).