GCN Circular 12871
Subject
GRB 120119A: optical observations
Date
2012-01-19T12:57:41Z (12 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
L. Elenin (KIAM), A. Volnova (SAI MSU), A. Pozanenko (IKI) report on
behalf of larger GRB follow-up collaboration:
We observed the field of the Swift GRB 120119A (Beardmore et al., GCN
12859) with 0.45-m telescope ISON-NM observatory on Jan. 19. We took
several unfiltered images of 60 s exposure on Jan.19, starting (UT)
05:19:52. We clearly detect the OT source (Beardmore et al., GCN 12859).
Coordinates of the source are (J2000) 08 00 06.96 -09 04 54.4 which is
consistent with UVOT position (GCN 12859). Photometry of the source is
based on SDSS star J080000.59-090624.3 (08:00:00.60 -09:06:24.4) assuming
R=16.42:
t-t0 filter Exp. OT
(mid, days) (s)
0.05234 none 600 18.97 +/- 0.09
0.06039 none 600 18.84 +/- 0.08
0.06837 none 600 19.13 +/- 0.11
0.08321 none 1500 19.51 +/- 0.07
0.10178 none 1500 19.70 +/- 0.08
0.12128 none 1500 19.99 +/- 0.08
0.13989 none 1500 19.86 +/- 0.08
Looking for the photometry result one can suggest either plateau phase or
the start of a re-brightening episode at ~ 0.14d.