{
  "bibcode": "2014GCN.16729....1P",
  "body": "A. Pozanenko (IKI),  N. Tungalag (Research Center of Astronomy and \nGeophysics MAS),  S. Schmalz (AIP), A. Volnova (IKI), I.Molotov (KIAM) \nreport on behalf of larger GRB follow-up collaboration:\n\nWe observed the  field of GRB 140817A (Sbarufatti et al., GCN 16695) \nwith ORI-40 telescope of Khureltogot observatory.  We started \nobservation on Aug. 17 (UT) 14:20:48 and obtained 60 unfiltered images \nof 60 s exposure. Within enhanced XRT error circle  (Osborne et al., GCN \n16697) we do not detect any new object and in particular the afterglow \ncandidate (Marshall et al., GCN 16710). Details of a photometry of the \nstacked image is following\n\nDate       UT start   t-T0    Filter   Exp.   UL(3 sigma)\n                      (mid, days)        (s)\n\n2014-08-17 14:20:48  0.3269   None    60*60   18.2\n\nThe photometry is based on USNO-B1.0 star 1481-0233222 assuming \nR=15.43.",
  "circularId": 16729,
  "createdOn": 1408555756000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 140817A:  Khureltogot optical upper limit",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 140817A"
}