TITLE: GCN CIRCULAR NUMBER: 35779 SUBJECT: Swift-BAT triggers 1216907-1216911 are not astrophysical DATE: 24/02/23 00:55:09 GMT FROM: Simone Dichiara at Pennsylvania State University S. Dichiara (PSU) reports on behalf of the Neil Gehrels Swift Observatory Team: Swift triggers 1216907, 1216909, 1216910, 1216911 and 1216748 were caused by a star track loss-of-lock event, and are not interesting astrophysical events.