[vsnet-grb-info 13265] GRB 130505A: MITSuME Akeno Optical observation

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  14602
SUBJECT: GRB 130505A: MITSuME Akeno Optical observation
DATE:    13/05/08 11:41:21 GMT
FROM:    Taketoshi Yoshii at Tokyo Tech  <yoshii.t.ac at m.titech.ac.jp>

T. Yoshii, Y. Yatsu, Y. Yano,  R. Usui, Y. Tachibana, K. Ito,
S. Kurita, Y. Saito, and N. Kawai (Tokyo Tech)
report on behalf of the MITSuME collaboration:

We observed GRB 130505A (Maselli et al., GCNC 14563) with an
optical tri-color (g, Rc, and Ic)  camera attached to the MITSuME
50 cm telescope of Akeno Observatory, Yamanashi, Japan.

The observation started at 2013-05-05 11:04:17 UT (9709 sec after the
trigger).
And we detected the previously reported afterglow .
The measured magnitudes were listed below.

T0+[MID]   MID-UT   T-EXP[sec]    g'                 Rc                Ic
-----------------------------------------------------------------------------------------------------
 15550s     12:41:38     3480    18.8+/-0.1     18.9+/-0.2      18.0+/-0.1
-----------------------------------------------------------------------------------------------------
T-EXP: Total Exposure time [sec]
(The photon flux were calibrated against GSC2.3 catalog.)