GCN Circular 14457
Subject
GRB 130427A: iTelescope T11 optical observations
Date
2013-04-27T12:26:03Z (12 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 130427A optical afterglow at iTelescope
observatory T11 (Mayhill, New Mexico) 0.50-m/6.8 astrograph and FLI
ProLine PL11002M CCD. Three unfiltered and three photometric V filter
images with 120 sec exposure time were made.
The afterglow was detected at following position RA 11:32:32.83
and DEC +27:41:56.4
The following magnitudes were obtained from the observations using
NOMAD1 1176-0248446 (R=13.520, V=13.120) as the comparison:
Tmid(sec)+T0 Filter Exp. time Mag Mag err.
4597 unfiltered 120 15.02CR 0.04
4743 unfiltered 120 15.09CR 0.05
4887 unfiltered 120 15.11CR 0.05
5438 V 120 14.89V 0.04
5582 V 120 14.89V 0.04
5726 V 120 14.86V 0.04