{
  "bibcode": "2002GCN..1370....1S",
  "body": "A.Sergeev (IC AMER, Terskol), S.Karpov (BNO), V.Petkov (BNO),\nS.Barabanov (INASAN, Moscow), N.Karpov (IC AMER, Terskol) report:  \n\n     We have obtained R-band images of the error box of GRB 020409\n(Piro 2002, GCN 1347) using the IC AMER 2m telescope at peak Terskol and\nMPAE two-channel focal reducer. \n\tTwelve 600s images were taken on 2002 April 10 at 19:33 UT.\nThe second epoch three 600s images were taken on 2002 April 12 at 00:51 UT.   \nWe find no evidence that any object in the BeppoSAX  error box varies by\nmore than approximately 0.5 mag.\n\tThe limiting magnitude of  this search is approximately R = 22.\n\n This message may be cited.",
  "circularId": 1370,
  "createdOn": 1018731106000,
  "email": "terskol@burbonz.nalnet.ru",
  "subject": "GRB 020409, 2-nd epoch optical observations at Terskol.",
  "submitter": "Valery Petkov at Terskol Observatory  <terskol@burbonz.nalnet.ru>",
  "eventId": "GRB 020409"
}