{
  "bibcode": "2011GCN.11733....1Z",
  "body": "Zhao X. H., Bai J. M., & Mao J. report on behalf of the YNAO-GMG Observation:\n\nWe observed GRB110213A (D'Elia et al., GCN circ 11705)  using one 2.4m\ntelescope of Yunnan Observatory located at Gao-Mei Gu (GMG) about 7hr\nafter the trigger. The afterglow was clearly detected. The preliminary\nresults are:\n\nmid time (UT)          filter   exposure time (min)  magnitude\n2011-02-13 12:48:22       R           20                17.4\n2011-02-13 13:08:55       V           20                18.2\n2011-02-13 13:34:29       B           30                18.9\n2011-02-13 14:00:28       B           20                19.0\n2011-02-13 14:20:39       V           20                18.3\n2011-02-13 14:40:50       R           20                18.3\n\nThe magnitudes were calibrated by NOMAD1.\n\nThis meesage may be cited.",
  "circularId": 11733,
  "createdOn": 1297752372000,
  "email": "jirong.mao@brera.inaf.it",
  "subject": "GRB 110213A: YNAO-GMG  Observations",
  "submitter": "Jirong Mao at INAF-OAB  <jirong.mao@brera.inaf.it>",
  "eventId": "GRB 110213A"
}