GCN Circular 4437
Subject
GRB 060105: Swift/UVOT upper limits
Date
2006-01-05T23:31:06Z (18 years ago)
From
Patricia Schady at MSSL/Swift <ps@mssl.ucl.ac.uk>
P. Schady (UCL-MSSL/PSU), M. Page (UCL-MSSL), A. Cucchiara (PSU),
F. Marshall (GSFC), N. Gehrels (GSFC) on behalf of the Swift/UVOT
team report:
The Swift/UVOT began observing the field of GRB 060105 at 06:50:59
UT on 2006-01-05, 91 s after the BAT trigger (Ziaeepour et al., GCN
4429). No source was observed in any of the UVOT filters at the XRT position
and the potential candidate mentioned in GCN 4429 is most likely contamination
from a bright, nearby star. The 3-sigma upper limits in summed images from each
of the filters are listed below (not corrected for extinction; E(B-V) = 0.171).
Filter T_range(s) Exp(s) 3sigUL(mag)
V 91-29544 29453 20.4
B 457-5533 5076 20.1
U 403-23780 23377 20.8
W1 349-22873 22524 20.3
M2 295-30329 30034 20.6
W2 565-28638 28073 21.0
White 511-889 378 19.9
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