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GCN Circular 4865

Subject
GRB060312: Swift UVOT observation
Date
2006-03-12T18:40:37Z (18 years ago)
From
Sally Hunsberger at PSU/Swift <sdh3@psu.edu>
S. D. Hunsberger (PSU), D. Grupe (PSU), and F. Marshall (GSFC)
on behalf of the Swift UVOT team:

The UVOT took a finding chart exposure of 200 seconds with the
V filter starting 14.4 hours after the BAT trigger. No afterglow
candidate has been found in the 2.7'x2.7' sub-image which
covers 100% of the XRT error circle. The 3-sigma UL at the
XRT position is 0.9 cps or 18.0 mag. No correction has
been made for the expected extinction of about 0.6 magnitudes.
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