{
  "bibcode": "2014GCN.16086....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 collaboration:\n\nWe observed the field of GRB 140408A (D'Elia et al., GCNC 16082)\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 2014-04-08 17:47:44 UT (~4.5 h after the burst).\nWe did not find any new point source within the enhanced XRT circle\n(Evans et al., GCNC 16085) in all the three bands.\n\nThree sigma upper limits of the OT are listed below.\nWe used GSC2.3 catalog for flux calibration.\n\n#T0+[day]  MID-UT    T-EXP[sec]   g'     Rc     Ic\n-----------------------------------------------------\n0.21515    18:25:43    4200.0   >19.1  >18.9  >18.3\n-----------------------------------------------------\nT0+ : Elapsed time after the burst [day]\nT-EXP: Total Exposure time [sec]",
  "circularId": 16086,
  "createdOn": 1397000708000,
  "email": "dikuroda@oao.nao.ac.jp",
  "subject": "GRB 140408A: MITSuME Okayama upper limits",
  "submitter": "Daisuke Kuroda at OAO/NAOJ  <dikuroda@oao.nao.ac.jp>",
  "eventId": "GRB 140408A"
}