{
  "bibcode": "2016GCN.18971....1M",
  "body": "E. Mazaeva (IKI), E. Klunko (ISTP), A. Volnova (IKI), I. Korobtsev \n(ISTP), A. Pozanenko (IKI) report on behalf of larger GRB follow-up \ncollaboration:\n\nWe observed the Swift GRB 160131A (Page et al., GCN 18951) with AZT-33IK \ntelescope of Sayan observatory (Mondy)  starting on Feb.01 (UT) \n13:01:56. We clearly detect optical afterglow (Page et al., GCN 18951; \nYurkov et al., GCN 18952; Guidorzi et al., GCN 18953; Xin et al., GCN \n18954; Xin et al., GCN 18955; Watson et al., GCN 18956). Preliminary \nphotometry of the afterglow of the first image is following\n\n\nDate        UT start   t-T0    Filter   Exp.   OT     Err.\n                       (mid, days)       (s)\n\n\n2016-02-01  13:01:56  1.19543  R        1*120  19.40  0.08",
  "circularId": 18971,
  "createdOn": 1454356418000,
  "email": "apozanen@iki.rssi.ru",
  "subject": "GRB 160131A: Mondy optical observations",
  "submitter": "Alexei Pozanenko at IKI, Moscow  <apozanen@iki.rssi.ru>",
  "eventId": "GRB 160131A"
}