GCN Circular 19825
Subject
GRB 160816A: ISON/UAFO optical observations
Date
2016-08-19T15:34:50Z (8 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
E. Mazaeva (IKI), E. Chornaya (UAFO, ISON), A. Matkin (UAFO), I.
Molotov (KIAM), A. Pozanenko (IKI) report on behalf of larger GRB
follow-up collaboration:
We observed the field of GRB 160816A (Racusin et al., GCN 19802;
Mailyan et al., GCN 19804) with SANTEL-650 (0.65m) telescope of
UAFO/ISON-Ussuriysk observatory. We obtained several unfiltered images
starting on August 17 (UT) 11:47:34. We detected optical afterglow
(Guidorzi et al. GCN 19808; Troja et al. GCN 19809). Preliminary
photometry of a combined image is following
Date UT start t-T0 Filter Exp. OT Err. UL
(mid, days) (s)
2016-08-17 11:47:34 0.80873 CR 275*20 20.90 0.22 21.5
Photometry is based on nearby USNO-B1.0 stars
USNO-B1.0_id R2
1271-0576219 17.27
1271-0576200 17.52
1271-0576190 18.12
1271-0576101 17.00
1271-0576308 17.05