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GCN Circular 3664

Subject
Swift-BAT trigger 147325 is not due to a real GRB
Date
2005-07-23T14:31:01Z (19 years ago)
From
Scott Barthelmy at NASA/GSFC <Scott@lheamail.gsfc.nasa.gov>
S. Barthelmy (GSFC), J. Cummings (GSFC/NRC), N. Gehrels (GSFC),
C. Markwardt (GSFC/UMD), D. Palmer (LANL)
on behalf of the Swift-BAT team:

The Swift-BAT trigger at 11:17:49 UT(trigger=147325, referred to in GCN 3663,
Moretti et al) is not due to a real GRB.  It is due to a cosmic ray
shower event in the material of the spacecraft.  All 90-some events
are simultaneous in the BAT detector.
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