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GCN Circular 14734

Subject
GRB 130603A: MITSuME Okayama Optical Observation
Date
2013-06-03T14:05:22Z (11 years ago)
From
Daisuke Kuroda at OAO/NAOJ <dikuroda@oao.nao.ac.jp>
D. Kuroda, K. Yanagisawa, Y. Shimizu, H. Toda (OAO, NAOJ),
S. Nagayama (NAOJ), M. Yoshida (Hiroshima), K. Ohta (Kyoto)
and N. Kawai(Tokyo Tech)
report on behalf of the MITSuME collaboration:

We observed the field of GRB 130603A (Melandri et al., GCNC 14731)
with the optical three color (g', Rc and Ic) CCD camera attached
to the MITSuME 50cm telescope of Okayama Astrophysical Observatory.

The observation started on 2013-06-03 11:14:06 UT (~5.2 h after the burst).
We detected the previously reported afterglow (Melandri, GCNC 14732)
in all the three bands.

Photometric results of the OT are listed below.
We used SDSS catalog for flux calibration.

#T0+[day]  MID-UT    T-EXP[sec]   g'  g'_err   Rc  Rc_err   Ic  Ic_err
-----------------------------------------------------------------------
0.22890    11:29:09    1560.0    18.3  0.3    18.4  0.2    18.1  0.3
0.24993    11:59:26    1500.0    18.9  0.3    18.8  0.2    18.2  0.3
------------------------------------------------------------------------
T0+ : Elapsed time after the burst [day]
T-EXP: Total Exposure time [sec]
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