TITLE:   GCN CIRCULAR
NUMBER:  34512
SUBJECT: Swift Trigger 1186390 is not a GRB
DATE:    23/08/21 15:21:52 GMT
FROM:    Boris Sbarufatti at INAF-OAB <boris.sbarufatti@inaf.it>


B. Sbarufatti (INAF-OAB) report on behalf of the Neil Gehrels Swift
Observatory Team:

Swift BAT trigger 1186390 at 15:12:00.13 UT on 2023-08-21, is due
to misidentification of a known source during a Star Tracker
Loss-of-Lock. It is not  an astrophysical event.