[vsnet-grb-info 17428] GRB 160104A: Continued MITSuME Akeno Optical Observation
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Fri Jan 8 15:45:13 JST 2016
TITLE: GCN CIRCULAR
NUMBER: 18841
SUBJECT: GRB 160104A: Continued MITSuME Akeno Optical Observation
DATE: 16/01/08 06:41:52 GMT
FROM: Taketoshi Yoshii at Tokyo Tech <yoshii.t.ac at m.titech.ac.jp>
T.Fujiwara, Y.Saito, T. Yoshii, Y. Yano, Y. Tachibana,
Y.Ono, S.Harita, Y.Muraki, Y. Yatsu, and N. Kawai (Tokyo Tech)
report on behalf of the MITSuME collaboration:
We searched for the optical counterpart of GRB 160104A (A. Melandri et al., GCN
Circular #18815) with the optical three color (g', Rc, and Ic) CCD cameras attached to the MITSuME 50 cm
telescope of Akeno Observatory, Yamanashi, Japan.
The observation started on 2016-01-04 11:24:56 UT (46 sec after the burst) and
we detected the optical counterpart in Rc and Ic band.
The measured magnitudes were listed as follows.
We obtained following results for the magnitudes.
T0+[sec] MID-UT T-EXP[sec] g' Rc Ic
-------------------------------------------------------------------------------------------------------
382 11:38:50 900 > 20.6 18.9 +/- 0.1 18.3 +/- 0.2
13473 16:03:30 5880 > 21.3 20.2 +/- 0.2 19.5 +/- 0.3
-------------------------------------------------------------------------------------------------------
T0+ : Elapsed time after the burst
T-EXP: Total Exposure time
We used GSC2.3 catalog for flux calibration.
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