TITLE: GCN CIRCULAR NUMBER: 6072 SUBJECT: Swift-BAT trigger 259527 is a Cosmic Ray Shower DATE: 07/02/07 01:15:31 GMT FROM: Scott Barthelmy at NASA/GSFC S. D. Barthelmy (GSFC), J. Cummings (GSFC/ORAU), N. Gehrels (GSFC), H. Krimm (GSFC/USRA), C. Markwardt (GSFC/UMD), D. Palmer (LANL) on behalf of the Swift-BAT team: The Swift-BAT trigger (trigger=259527) at 19:58:51 UT on 06 Feb 2007, is not due to a GRB or any other astrophysical source. This trigger is due to a cosmic ray shower event in the spacecraft.