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GCN Circular 16126

Subject

GRB 140419A: T24 optical observations

Date

2014-04-19T13:23:00Z (10 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 140419A optical afterglow at iTelescope observatory
T24 (Auberry, California) using 0.61-m/6.5 astrograph and FLI-PL09000 CCD.
The observations were started at 2014-04-19 06:34:54 (UT) and stopped at
06:56:31 (UT). Four unfiltered images with 300 sec exposure time were made.

The afterglow was detected at the following position RA 08:27:57.56 and
DEC +46:14:25.2.

The following magnitude was obtained from the observations using
NOMAD1 1362-0196617 (R=17.110) as a comparison star:

Tmid(s)+T0    Filter            Exp. time         Mag              Mag err.
9536              unfiltered      4x300s            17.86CR      0.12

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