GCN Circular 22853
Subject
GRB 180626A: ISON-MN optical observations
Date
2018-06-26T11:25:47Z (6 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
L. Elenin (KIAM), E. Mazaeva (IKI), A. Pozanenko (IKI), A. Volnova
(IKI), I. Molotov (KIAM) report on behalf of larger GRB follow-up
collaboration:
We observed the field of the Swift GRB 180626A (Evans et al., GCN
22850) with ISON-NM observatory. Observation started 51 s after burst
trigger. We do not find optical afterglow (Evans et al., GCN 22850) in
a combined image of first 5 frames. Preliminary photometry of the filed
is following.
Date UT start t-T0 Filter Exp. OT Err. UL
(mid, days) (s)
2018-06-26 08:22:07 0.00146 CR 5* 20 n/d n/d 17.3
The photometry is based on several nearby USNO-B1.0 stars.