[vsnet-grb-info 10782] GRB110726A: MITSuME Ishigakijima Optical Observation

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  12204
SUBJECT: GRB110726A: MITSuME Ishigakijima Optical Observation
DATE:    11/07/27 00:03:12 GMT
FROM:    Daisuke Kuroda at OAO/NAOJ  <dikuroda at oao.nao.ac.jp>

D. Kuroda (OAO, NAOJ),  H. Hanayama, T. Miyaji, J. Watanabe (IAO, NAOJ),
K. Yanagisawa (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 110726A (Wolf et al., GCN 12196)
with the optical three color (g', Rc and Ic) CCD camera attached
to the Murikabushi 1m telescope of Ishigakijima Astronomical
Observatory.

The observation started on 12:56:13 UT (~11.4 h after the burst). We
detected the previously reported afterglow (Schaefer et al., GCN 12197;
Melandri et al., GCN 12198) in Rc bands.

Photometric results and three sigma upper limits 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
----------------------------------------------------------------------
0.53142    14:15:55    7020.0   >22.3  21.8  0.2   >20.7
----------------------------------------------------------------------
T0+ : Elapsed time after the burst [day]
T-EXP: Total Exposure time [sec]