{
  "bibcode": "2012GCN.14004....1S",
  "body": "I. V. Sokolov, A. V. Sergeev, M. V. Andreev (TB INASAN, Russia),\nV. B. Petkov (BNO INR RAS, Russia),\nA. S. Moskvitin, V. N. Komarova (SAO RAS, Russia), on behalf of larger GRB\ncollaboration report:\n\nGRB 121117A (Cummings et al., GCN 13967) field was observed with the 2-m\ntelescope\nat the Mt. Peak Terskol since 6 hours after the trigger (2012-11-17,\n14:50:02 -- 15:05:20 UT).\nWe obtained 3 x 300 sec. images in R and did not detect any source\n(reported in Oates et al.,\nGCN 13973 and in Nicuesa Guelbenzuet al., GCN 13976) down to a limiting\nmagnitude of ~21.1 mag\nas well as the Indian team observing at the same time (Kumar et al.,  GCN\n13980).\nCalibrations were done by the same nearby USNO-B1 stars as in Volnova et\nal., GCN 13978.\nThe magnitude was not corrected for the Galactic extinction E(B-V) = 0.06.",
  "circularId": 14004,
  "createdOn": 1354005918000,
  "email": "sokolov@sao.ru",
  "subject": "GRB 121117A: Terskol obseravtions",
  "submitter": "Vladimir Sokolov at SAO RAS  <sokolov@sao.ru>",
  "eventId": "GRB 121117A"
}