{
  "bibcode": "2009GCN..9658....1X",
  "body": "L.P. Xin, W.K. Zheng, Y.L. Qiu, J.Y. Wei, J. Wang, \nJ.S. Deng and J.Y. Hu on behalf of EAFON report:\n\nWe have observed GRB 090709A (Morris et al.GCN 9625)\nwith Xinglong TNT telescope from July 9, 13:41:18 (UT),\n6.04 hour after the burst. After combined 10*600s R\nband images, no new source or afterglow counterpart (Morgan et al.GCN\n9635;Guidorzi et al. GCN 9648) was \nfound in our combined image within the XRT errorbox (Morris et al. GCN\n9625). \nThe uplimit is estimated to be about 20.6 mag at the mean time \nof 6.816 hours since the trigger. \n\nThis message may be cited.\n\nFor more information about Xinglong GRBs Follow-up\nobservations, please visit the website:\nhttp://www.xinglong-naoc.org/grb/",
  "circularId": 9658,
  "createdOn": 1247368603000,
  "email": "xlp@bao.ac.cn",
  "subject": "GRB 090709A: Xinglong TNT optical upper limit",
  "submitter": "L.P. Xin at NAOC  <xlp@bao.ac.cn>",
  "eventId": "GRB 090709A"
}