[vsnet-grb-info 8175] Swift Trigger 358354 is not a GRB
GCN Circulars
gcncirc at capella.gsfc.nasa.gov
Sun Jul 26 14:10:14 JST 2009
TITLE: GCN CIRCULAR
NUMBER: 9705
SUBJECT: Swift Trigger 358354 is not a GRB
DATE: 09/07/26 05:10:09 GMT
FROM: David Palmer at LANL <palmer at lanl.gov>
A. P. Beardmore (U Leicester), N. Gehrels (NASA/GSFC),
K. L. Page (U Leicester), D. M. Palmer (LANL), M. H. Siegel (PSU),
M. Stamatikos (NASA/ORAU), R. L. C. Starling (U Leicester) and
T. N. Ukwatta (GSFC/GWU) report on behalf of the Swift Team:
Around 04:58 UT on 2009-07-26, Swift lost star tracker lock,
leading to misidentification of the Crab as a gamma-ray burst.
Recovery operations are proceeding. However, there may be
further spurious triggers from this cause in the coming minutes.
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