GCN Circular 4461
Subject
GRB 060109: Swift/UVOT upper limits
Date
2006-01-10T05:54:08Z (19 years ago)
From
Alexander Blustin at MSSL-UCL <ajb@mssl.ucl.ac.uk>
A. J. Blustin (UCL-MSSL), M. De Pasquale (UCL-MSSL), S. R. Rosen
(UCL-MSSL), L. Cominsky (Sonoma State U.), J. Norris (GSFC),
N. Gehrels (GSFC) on behalf of the Swift/UVOT team
The Swift/UVOT began observing the field of GRB 060109 at 16:56:13 UT
on 2006-01-09 whilst settling on the target, 92 s after the BAT trigger
(De Pasquale et al., GCN 4455). No new source is detected at the XRT
position (reported by De Pasquale et al.) in coadded images with any of
the filters down to the following 3-sigma magnitude upper limits. These
values are not corrected for Galactic extinction; E(B-V) = 0.144.
Filter T_range(s) Exp(s) 3sigUL(mag)
V 92-22100 1449 20.0
B 312-18155 1132 20.8
U 637-17925 1038 20.5
W1 613-17696 1001 19.9
M2 589-22330 1233 20.3
W2 542-21871 1262 19.9
White 517-18385 1018 20.9