{
  "bibcode": "2014GCN.17012....1K",
  "body": "D. Kuroda (OAO, NAOJ),  H. Hanayama, T. Miyaji, J. Watanabe (IAO, NAOJ),\nK. Yanagisawa (OAO, NAOJ), S.Nagayama (NAOJ), M. Yoshida (Hiroshima),\nK. Ohta (Kyoto) and N. Kawai(Tokyo Tech)\nreport on behalf of the MITSuME and OISTER collaboration:\n\nWe observed the field of GRB 141031B (Gompertz et al., GCNC 16998)\nwith the optical three color (g', Rc and Ic) CCD camera attached\nto the Murikabushi 1m telescope of Ishigakijima Astronomical\nObservatory.\n\nThe observation started on  2014-10-31 15:02:03 (~5.3 min after the burst).\nWe did not find any new point source within the enhanced XRT circle\n(Osborne et al., GCNC 17009) in all the three bands.\n\nThree sigma upper limits of the OT are listed below.\nWe used SDSS catalog for flux calibration.\n\n#T0+[day]  MID-UT    T-EXP[sec]   g'     Rc     Ic\n-----------------------------------------------------\n0.04563    16:02:27    6120.0   >22.6  >22.4  >21.3\n-----------------------------------------------------\nT0+ : Elapsed time after the burst [day]\nT-EXP: Total Exposure time [sec]",
  "circularId": 17012,
  "createdOn": 1414806001000,
  "email": "dikuroda@oao.nao.ac.jp",
  "subject": "GRB 141031B: MITSuME Ishigakijima upper limits",
  "submitter": "Daisuke Kuroda at OAO/NAOJ  <dikuroda@oao.nao.ac.jp>",
  "eventId": "GRB 141031B"
}