GCN Circular 6301
Subject
Swift-BAT Trigger 276045 is a Cosmic Ray Shower event
Date
2007-04-18T15:30:42Z (18 years ago)
From
Ann M. Parsons at NASA/GSFC/Swift <parsons@milkyway.gsfc.nasa.gov>
D. Palmer (LANL), L. Barbier (GSFC), S.D. Barthelmy (GSFC),
J. Cummings (GSFC/UMBC), E. Fenimore (LANL), N. Gehrels (GSFC),
H. Krimm (GSFC/USRA), C. Markwardt (GSFC/UMD),A. Parsons (GSFC),
T. Sakamoto (GSFC/ORAU), G. Sato (GSFC/ISAS),
M. Stamatikos (GSFC/ORAU), J. Tueller (GSFC)
on behalf of the Swift-BAT team:
The BAT trigger 276045 (C. Guidorzi et al, GCN Circ 6299) is not a GRB.
It is due to a cosmic ray shower in the spacecraft. All 90 events
recorded in the BAT detector array occurred within a single 100
microsecond
timestamp interval.