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GCN Circular 18953

Subject
GRB 160131A: LCOGT-FTN optical afterglow observations
Date
2016-01-31T10:50:40Z (8 years ago)
From
Cristiano Guidorzi at Ferrara U,Italy <guidorzi@fe.infn.it>
C. Guidorzi, S. Dichiara (U. Ferrara), S. Kobayashi (LJMU), A. Gomboc 
(U. Nova Gorica), C.G. Mundell (U. Bath), on behalf of a larger 
collaboration report:

The 2-m LCOGT Faulkes Telescope North began observing Swift GRB160131A 
(Page et al. GCN 18951) on Jan 31 at 09:37 UT (~77 minutes after the 
burst trigger) with griZY filters. We clearly detect the optical 
afterglow (Page et al. GCN 18951; Yurkov et al. GCN 18952), with a 
magnitude of r=15.29 +- 0.01 at 81 minutes post GRB, as calibrated 
against nearby USNOB-1 star RA(J2000)=05:12:41.5 DEC(2000)=-07:03:09.81 
with R2=14.28. Observations are going on.
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