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GCN Circular 18885

Subject

GRB 160117B: iTelescope T17 optical observations

Date

2016-01-18T04:04:33Z (8 years ago)

From

Veli-Pekka Hentunen at Taurus Hill Obs,A95 <veli-pekka.hentunen@kassiopeia.net>

Veli-Pekka Hentunen, Markku Nissinen and Tuomo Salmi (Taurus Hill
Observatory, Varkaus, Finland) report:

We have detected GRB 160117B optical afterglow at iTelescope observatory
T17 using 0.43-m f/6.8 astrograph and FLI ProLine E2V CCD. The observations
were started at 2016-01-17 14:34:35 (UT). Nine unfiltered images with 300 sec
exposure time were taken.

The afterglow was detected at the position RA 08:48:46.85 and DEC -16:22:00.0.

The following magnitude was obtained from the observations using USNO-B1.0
0736-0196371 (R1=16.52) as a comparison star:

Tmid(s)+T0     Filter          Exp. time          Mag               Mag. Err.
4367               Clear          9x300s             18.6CR          0.2

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