{
  "bibcode": "2013GCN.14625....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 130511A (Krimm et al., GCNC 14620)\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 2013-05-11 12:01:00 UT (~30 min after the burst).\nWe did not find any new point source within the enhanced XRT error circle\n(Osborne et al., GCNC 14622) 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-----------------------------------------------------\n0.16126    15:23:00    5940.0   >20.7  >20.7  >19.8\n-----------------------------------------------------\nT0+ : Elapsed time after the burst [day]\nT-EXP: Total Exposure time [sec]",
  "circularId": 14625,
  "createdOn": 1368314456000,
  "email": "dikuroda@oao.nao.ac.jp",
  "subject": "GRB 130511A: MITSuME Okayama upper limits",
  "submitter": "Daisuke Kuroda at OAO/NAOJ  <dikuroda@oao.nao.ac.jp>",
  "eventId": "GRB 130511A"
}