{
  "bibcode": "2015GCN.17803....1M",
  "body": "J. Mao, Y. Fan and J.-M. Bai (YNAO) report:\n\n\nWe observed the field of GRB 150423A (Pagani et al., GCN 17728) with the 2.4-meter optical telescope at Gao-Mei-Gu (GMG) station of Yunnan Observatory. Observations began from 17:11:14 UT, May 2nd, 2015, about 9 days after the trigger. We did not\ndetect any source / rebrightening feature at the afterglow position down to a limit of z~21.0 mag with poor observational condition.",
  "circularId": 17803,
  "createdOn": 1430791790000,
  "email": "jirongmao_obs@ynao.ac.cn",
  "subject": "GRB 150423A: GMG observation limit",
  "submitter": "Jirong Mao at Yunnan Obs  <jirongmao_obs@ynao.ac.cn>",
  "eventId": "GRB 150423A"
}