GCN Circular 19475
Subject
GRB 160525B: MITSuME Akeno optical upper limits
Date
2016-05-31T10:05:57Z (8 years ago)
From
Taketoshi Yoshii at Tokyo Tech <yoshii.t.ac@m.titech.ac.jp>
K. Saisho, Y. Muraki, Y. Ono, T. Fujiwara, T. Yoshii, Y. Saito, Y. Tachibana,
H. Ohuchi, Y. Yano, S. Harita, Y. Yatsu, and N. Kawai (Tokyo Tech)
report on behalf of the MITSuME collaboration:
We searched for the optical counterpart of GRB 160525B (H. A. Krimm et al., GCN Circular #19459) 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 2016-05-25 10:03:51 UT (~0.65 h after the burst).
We did not find any new point source within XRT circle in all three bands.
We obtained following limits for the magnitudes.
T0+[hour] MID-UT T-EXP[sec] g' Rc Ic
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0.65 15:58:53 1140 >18.6 >18.2 >17.6
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T0+ : Elapsed time after the burst
T-EXP: Total Exposure time
We used GSC2.3 catalog for flux calibration.