{
  "bibcode": "2016GCN.19183....1X",
  "body": "D. Xu (NAOC/CAS), Y.-D. Hu (IAA-CSIC), Y. Qing (Geneva Observatory), \nY.-H. Han (NAOC/CAS, HUST), C.-M. Zhang, S.-M. Hu, C. Cao (SDU) report:\n\nWe observed the field of GRB 160314A (D'Elia et al., GCN 19182) using \nthe 1-m telescope located at Weihai, Shandong, China. Observations \nstarted at 11:51:15 UT on 2016-03-14 (i.e., 18.4 min after the burst) in \ncloudy weather, and 4x300s R-band frames were obtained.\n\nNo optical source is detected within the XRT error circle (D'Elia et \nal., GCN 19182), down to a limiting magnitude of m(R)~19.0, calibrated \nwith the SDSS field.",
  "circularId": 19183,
  "createdOn": 1457960743000,
  "email": "dxu@nao.cas.cn",
  "subject": "GRB 160314A: Weihai optical upper limit",
  "submitter": "Dong Xu at NAOC/CAS  <dxu@nao.cas.cn>",
  "eventId": "GRB 160314A"
}