[vsnet-grb-info 13453] Swift Trigger 557466 is not astrophysical

GCN Circulars gcncirc at capella2.gsfc.nasa.gov
Fri Jun 7 08:12:41 JST 2013


TITLE:   GCN CIRCULAR
NUMBER:  14786
SUBJECT: Swift Trigger 557466 is not astrophysical
DATE:    13/06/06 23:12:34 GMT
FROM:    Scott Barthelmy at NASA/GSFC  <scott at lheamail.gsfc.nasa.gov>

S. D. Barthelmy (GSFC) and P.A. Evans (U. Leicester),
on behalf of the Swift Team report:
 
Using the BAT data set from T-119 to T+183 sec from recent telemetry downlinks,
we report on further analysis of BAT trigger #557466
that the trigger is not due to anything astrophysical.  It was a chance
coincidence of noise in the image domain and a known source.

Analysis of 1 ks of XRT reveals no source in or near the BAT error circle.


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