{
  "bibcode": "2014GCN.17244....1K",
  "body": "D. Kuroda, K. Yanagisawa, Y. Shimizu, H. Toda (OAO, NAOJ),\nS. Nagayama (NAOJ), M. Yoshida (Hiroshima), K. Ohta (Kyoto)\nand N. Kawai(Tokyo Tech)\nreport on behalf of MITSuME and OISTER collaboration:\n\nWe observed the field of GRB 141225A (D'Avanzo et al., GCNC 17229)\nwith the optical three color (g', Rc and Ic) CCD camera attached\nto the MITSuME 50cm telescope of Okayama Astrophysical Observatory.\n\nThe observation started on 2014-12-26 18:53:27 UT (~19.9 h after the burst).\nWe could not detect the previously reported afterglow (Gorosabel et al., GCNC\n17230; Guidorzi et al., GCNC 17231) in all the three bands.\n\nThree sigma upper limits of the OT are listed below.\nWe used SDSS-DR8 catalog for flux calibration.\n\n#T0+[day]  MID-UT    T-EXP[sec]   g'     Rc     Ic\n-----------------------------------------------------\n0.68285    15:24:25    3780.0   >19.7  >19.6  >19.0\n-----------------------------------------------------\nT0+ : Elapsed time after the burst [day]\nT-EXP: Total Exposure time [sec]",
  "circularId": 17244,
  "createdOn": 1419654451000,
  "email": "dikuroda@oao.nao.ac.jp",
  "subject": "GRB 141225A: MITSuME Okayama upper limits",
  "submitter": "Daisuke Kuroda at OAO/NAOJ  <dikuroda@oao.nao.ac.jp>",
  "eventId": "GRB 141225A"
}