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GCN Circular 12892

Subject

GRB 120119A: optical upper limit

Date

2012-01-21T22:00:47Z (12 years ago)

From

Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>

V. Rumyantsev, K. Grankin (CrAO),  A. Pozanenko (IKI) on behalf of  larger 
GRB follow up collaboration report:

We observed the field of the Swift GRB 120119A  (Beardmore  et al.,  GCN 
12859Not found
 
 
) with AZT-11 telescope  of CrAO observatory on Jan. 19. We took 
several  images in R-filter under poor seeing (FWHM ~ 4.4") on Jan.19, 
between (UT) 18:35 - 19:59. We do not detect the OT  (Beardmore et al. GCN 
12859Not found
 
 
).  Photometry  is  based on USNO-B1.0 star  0809-0167535  (08 00 
04.98 -09 03 55.5) assuming R=16.22:

t-t0             filter      Exp.       UpperLimit
(mid, days)             (s)

0.6347        R       28x180     21.1