[vsnet-grb-info 4310] Swift-BAT trigger 260304 is NOT a burst or transient

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  6100
SUBJECT: Swift-BAT trigger 260304 is NOT a burst or transient
DATE:    07/02/12 20:39:17 GMT
FROM:    Scott Barthelmy at NASA/GSFC  <scott at lheamail.gsfc.nasa.gov>

S. D. Barthelmy (GSFC), J. R. Cummings (NASA/UMBC),
S. Immler (GSFC/USRA), J. A. Kennea (PSU),
W. B. Landsman (NASA/GSFC), C. B. Markwardt (GSFC/UMD),
M. Perri (ASDC) and T. Sakamoto (NASA/ORAU) report on behalf of the
Swift Team:

The Swift-BAT trigger (260304) at 19:55:34 UT is not a GRB
nor is it a transient.  The star tracker had momentarily lost lock
and the resulting erroneous spacecraft attitude information
caused a false trigger.