GCN Circular 20218

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 MITSuME and OISTER collaboration:

We observed the field of GRB 161129A (Kocevski et al., GCNC 20210)
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 2016-11-29 08:54:33 UT (~1.7 h after
the burst). We detected the previously reported source (Mazaeva
et al., GCNC 20215; Klose and Stecklum, GCNC 20216) in Rc and Ic
bands.

Photometric results and three sigma upper limit of the OT are
listed below. We used GSC2.3 catalog for flux calibration.

#T0+[day]  MID-UT    T-EXP[sec]   g'    Rc  Rc_err  Ic  Ic_err
------------------------------------------------------------------
0.11332    09:54:50    6120.0   >20.2   19.2 0.2    18.6 0.2
------------------------------------------------------------------
T0+ : Elapsed time after the burst [day]
T-EXP: Total Exposure time [sec]