GCN Circular 3647
Subject
Swift-BAT trigger 146731 is not a real GRB
Date
2005-07-19T19:12:34Z (19 years ago)
From
Scott Barthelmy at NASA/GSFC <Scott@lheamail.gsfc.nasa.gov>
S. Barthelmy (GSFC), J. Cummings (GSFC/NRC), J. Kennea (PSU),
H. Krimm (GSFC/USRA), D. Palmer (LANL), J. Racusin (PSU)
on behalf of the Swift-BAT/-XRT teams:
The Swift-BAT trigger (trigger=146731) at 13:58:52.85 UT on 19 July 2005
(reported in GCN 3645, S. Vaughan) is not due to a real GRB or any other
astrophysical source. Further analysis using the full BAT data has shown
this to be 3 cosmic ray showers in the instrument within a 15 msec window.
In addition, XRT did not detect any point source inside the BAT error circle
in 2 orbits of data.