GCN Circular 5003
Subject
GRB060424: optical afterglow detection
Date
2006-04-25T08:25:50Z (18 years ago)
From
Christina Thoene at Niels Bohr Institute,DARK Cosmo Ctr <cthoene@astro.ku.dk>
Christina C. Thoene, Kim Nilsson, Brian L. Jensen, Johan Fynbo (Dark
Cosmology Centre) report
We observed the BAT error circle of GRB060424 (GCN 5000) in I with the NOT
and ALFOSC on La Palma, starting at UT 05:03:40 at very high airmass.
Inside the BAT revised error circle (GCN 5001) we detect a new source at
the position (J2000)
RA = 00:29:25.8
Dec =+36:47:58.7
The preliminary I magnitude obtained from 5x300s stacked images with a
mean time of about 1h after the burst is
I = 19.1
(compared to a nearby USNO star)
The source is not visible in observations obtained the following night and
therefore likely to be the afterglow of GRB060424
A finding chart will be available soon at:
http://www.astro.ku.dk/~brian_j/grb/grb060424.178/