[vsnet-grb-info 2529] GRB 051221: XRT position
GCN Circulars
gcncirc at capella.gsfc.nasa.gov
Wed Dec 21 14:11:41 JST 2005
TITLE: GCN GRB OBSERVATION REPORT
NUMBER: 4366
SUBJECT: GRB 051221: XRT position
DATE: 05/12/21 05:09:26 GMT
FROM: David Burrows at PSU/Swift <dxb15 at psu.edu>
D. N. Burrows (PSU), M. Capalbi (ASDC), and D. Grupe (PSU) report on behalf
of the Swift XRT team:
The Swift XRT began observing GRB 051221 (Parsons et al., GCN 4363) at
01:52:44 UT (88 s after the burst). We find a bright, rapidly fading
source located at:
RA(J2000) = 21:54:48.71
Dec(J2000) = +16:53:28.2
The estimated uncertainty is 3.5 arcseconds (90% containment radius),
including corrections for the XRT boresight.
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