GCN Circular 14582
Subject
GRB 130427A: optical observations in CrAO
Event
Date
2013-05-05T22:29:40Z (13 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
V. Rumyantsev (CrAO), K.Antoniuk (CrAO), D. Shakhovskoy (CrAO), A.
Pozanenko (IKI) report on behalf of larger GRB follow-up collaboration:
We continue observation of the Swift GRB 130427A (Maselli et al., GCN
14448) with AZT-11 telescope of CrAO observatory. Preliminary
photometry the optical afterglow of GRB 130427A (Maselli et al., GCN
14448, Elenin et al. GCN 14450, Perley GCN 14451) is following
T_start (UT) T0+ Filter Exp. OT
mid,days s mag
2013-05-02T19:34:45.35 5.5618 R 6120 19.75 +/- 0.15
2013-05-03T20:41:27.17 6.5581 R 3600 20.30 +/- 0.25
2013-05-04T18:26:22.25 7.4747 R 5400 20.20 +/- 0.18
Photometry is based on SDSS star
SDSS id B eB V eV R eR I eI
J113220,11+274133,5 17,421 0,020 16,911 0,020 16,561 0,015 16,124 0,016