{
  "bibcode": "2014GCN.16403....1V",
  "body": "A. Volnova (IKI), E. Klunko (ISTP), M. Eselevich (ISTP), I. Korobtsev\n(ISTP), A. Pozanenko (IKI) report on behalf of larger GRB follow-up \ncollaboration:\n\nWe observed a field of the GBM GRB 140606B / iPTF 14bfu (Singer et al.,\nGCN 16360) with with AZT-33IK telescope of Sayan observatory (Mondy). We \nobtained several images on June, 08 (UT) 17:17:29 with exposure of each \nframe of 120 s. The  optical transient Singer et al., GCN 16360) is well \ndetected on the stacked image. A photometry is based on nearby USNO-B1.0 \nstars:\n\ndate        UT start  t-T0        Filter  Exp.    OT\n                       (mid, days)          (s)\n\n2014-06-08  17:17:29  2.62892     R       60*120  22.00+/-0.12\n\nThe finding chart can be found in\nhttp://grb.rssi.ru/GRB140606B/grb140606B_AZT33IK_R_fc.png\n\nThe light curve based on published photometry in r, R and unfiltered \nobservations (GCNs 16360, 16362, 16367, 16398) can be found in\nhttp://grb.rssi.ru/GRB140606B/grb140606B_lc.png\n\nBased on the lc  above one can suggest that a host galaxy of GRB 140606B \nmay influence on the photometry of the afterglow.",
  "circularId": 16403,
  "createdOn": 1402764404000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 140606B / iPTF 14bfu: Mondy optical observations",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 140606B"
}