{
  "bibcode": "2015GCN.18616....1M",
  "body": "A. S. Moskvitin (SAO RAS), I. V. Sokolov (Terskol Branch of INASAN)\nreport on behalf of larger GRB follow-up team.\n\nWe observed the field of GRB 151027A twice: with 2-m Zeiss-2000\n+ FLI CCD (Mt. Terskol) and 1-m Zeiss-1000 + EEV 42-40 CCD (SAO RAS)\non November 6 and 12 respectively (T-T0 = 10.5 and 16.5 days).\n\nWe have obtained 10x300 and 24x300 sec. frames in R band.\nWe do not detect the GRB OT (Maselli et al., GCNC #18478)\ndown to the limiting magnitude R_lim = 22.8 in both stacked images.\nAs the standard stars we used USNO-B1 objects from GCNCs #18521,\n18558 and 18559.\n\nWe should note that nearby USNO-B1 source reported by\nS. Dichiara et al. (GCNC #18510) and E. Mazaeva et al. (GCNC #18559)\nis clearly detected in our images.",
  "circularId": 18616,
  "createdOn": 1447850465000,
  "email": "mosk@sao.ru",
  "subject": "GRB 151027A: SAO RAS and Mt. Terskol observations",
  "submitter": "Moskvitin Alexander at SAO RAS  <mosk@sao.ru>",
  "eventId": "GRB 151027A"
}