{
  "bibcode": "2011GCN.12048....1Y",
  "body": "Y. Yatsu, K.Kawakami, Y. Aoki, K. Tokoyoda, M. Hayashi, S. Song,\nR. Usui, and N. Kawai (Tokyo Tech)  report on behalf of the MITSuME\ncollaboration:\n\nWe observed GRB110530A (D'Avanzo et al, GCN12046)\nwith the optical three color (g, Rc, and Ic) CCD camera attached\nto the MITSuME 50 cm telescope of Akeno Observatory, Yamanashi, Japan.\nThe follow-up observation was started at 15:31:02, ~2min after the BAT trigger.\nAnd we detected a very faint object within the XRT error circle in R-band.\nThe measured R-band magnitude is shown below.\n\nT0+[s]   MID-UT   T-EXP[sec]    g'             Rc           Ic\n-----------------------------------------------------------------------\n125    15:39:42          660           ---   18.84 +/- 0.65   ---\n-----------------------------------------------------------------------\nT0+ : Elapsed time after the burst [sec]\nT-EXP: Total Exposure time [sec]\n\nPhotometric results and are listed below. We used GSC2.3 catalog for\nflux calibration.",
  "circularId": 12048,
  "createdOn": 1306774471000,
  "email": "yatsu@hp.phys.titech.ac.jp",
  "subject": "GRB 110530A: MITSuME Akeno Optical Observation",
  "submitter": "Yoichi Yatsu at Tokyo Tech.  <yatsu@hp.phys.titech.ac.jp>",
  "eventId": "GRB 110530A"
}