GCN Circular 19120
Subject
GRB 160228A: Mondy optcial observations
Event
Date
2016-02-29T19:42:16Z (10 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
E. Mazaeva (IKI), E. Klunko (ISTP), A. Volnova (IKI), I. Korobtsev
(ISTP), A. Pozanenko (IKI) report on behalf of larger GRB follow-up
collaboration:
We observed the field of Swift GRB 160228A (Malesani et al., GCN 19107)
with AZT-33IK telescope of Sayan observatory (Mondy) starting on Feb.28
(UT) 18:31:31. Within enhanced XRT position (Beardmore et al., GCN
19110) we do not detect any optical object. In particular we do not
detect candidate of optical afterglow (Delvaux et al., GCN 19114). We
barely detect extended bluish object mentioned in (Delvaux et al., GCN
19114). Preliminary photometry of a combined image is following
Date UT start t-T0 Filter Exp. UL (3sigma)
(mid, days) (s)
2016-02-28 18:31:31 0.06044 R 60*60 22.2
Photometry is base on nearby USNO-B1.0 stars
USNO-B.1_id R2
1169-0155723 18.59
1169-0155657 19.12
1169-0155662 18.92
1168-0146568 18.65
1169-0155709 19.49