[vsnet-grb-info 2065] Swift Trigger #152652 is not a GRB
GCN Circulars
gcncirc at capella.gsfc.nasa.gov
Tue Aug 30 13:50:24 JST 2005
TITLE: GCN GRB OBSERVATION REPORT
NUMBER: 3904
SUBJECT: Swift Trigger #152652 is not a GRB
DATE: 05/08/30 04:48:08 GMT
FROM: David Palmer at LANL <dmpalmer at mac.com>
V. Mangano (INAF-IASF), N. Gehrels (GSFC), C. Markwardt (GSFC),
D. Morris (PSU), D. Palmer (LANL), A. Parsons (GSFC),
T. Sakamoto (GSFC),
on behalf of the Swift team report:
At 04:08:48, BAT detected a source that was not in its on-board catalog
and reported it as a GRB (Trigger #152652). However, comparison to the
SIMBAD database finds a previously-known INTEGRAL gamma-ray source,
IGR J16479-4514, at a distance of 2.1 arcmin from the reported location,
which is within the BAT error circle.
Therefore we believe that this trigger was due to the known Integral
source, and not a GRB.
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