[vsnet-grb-info 616] GRB 021211: Optical Observations

[GCN Circulars <gcncirc@lheawww.gsfc.nasa.gov>]

TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  1749
SUBJECT: GRB 021211: Optical Observations
DATE:    02/12/13 12:11:24 GMT
FROM:    Ken ichi Torii at RIKEN  <torii@crab.riken.go.jp>

K. Kinugasa (Gunma Astronomical Observatory), T. Kato (Kyoto U.),
H. Yamaoka (Kyushu U.), and K. Torii (RIKEN) report:

 Starting at 12:44 UT on December 11th, the central 11x11 square
arcmin of the error region of GRB 021211 (Crew, et al., GCN 1734) was
observed with the Gunma Astronomical Observatory 0.65-m telescope
equipped with CCD camera AP8. Images were acquired with Rc filter
(30-s and 180-s exposures) and without filter (180-s exposures).

 The optical transient reported by Fox and Price (GCN 1731) is
detected. Preliminary analysis gives Rc ~ 21 mag at 13:24 UT. Further
analysis is in progress.

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