{
  "bibcode": "2016GCN.18953....1G",
  "body": "C. Guidorzi, S. Dichiara (U. Ferrara), S. Kobayashi (LJMU), A. Gomboc \n(U. Nova Gorica), C.G. Mundell (U. Bath), on behalf of a larger \ncollaboration report:\n\nThe 2-m LCOGT Faulkes Telescope North began observing Swift GRB160131A \n(Page et al. GCN 18951) on Jan 31 at 09:37 UT (~77 minutes after the \nburst trigger) with griZY filters. We clearly detect the optical \nafterglow (Page et al. GCN 18951; Yurkov et al. GCN 18952), with a \nmagnitude of r=15.29 +- 0.01 at 81 minutes post GRB, as calibrated \nagainst nearby USNOB-1 star RA(J2000)=05:12:41.5 DEC(2000)=-07:03:09.81 \nwith R2=14.28. Observations are going on.",
  "circularId": 18953,
  "createdOn": 1454237440000,
  "email": "guidorzi@fe.infn.it",
  "subject": "GRB 160131A: LCOGT-FTN optical afterglow observations",
  "submitter": "Cristiano Guidorzi at Ferrara U,Italy  <guidorzi@fe.infn.it>",
  "eventId": "GRB 160131A"
}