TITLE: GCN CIRCULAR NUMBER: 35767 SUBJECT: Swift-BAT triggers 1216743-1216748 are not astrophysical DATE: 24/02/21 22:58:24 GMT FROM: Simone Dichiara at Pennsylvania State University S. Dichiara (PSU) report on behalf of the Neil Gehrels Swift Observatory Team: Swift triggers 1216743, 1216745, 1216746, 1216747 and 1216748 were caused by a star track loss-of-lock event, and are not interesting astrophysical events.