TITLE: GCN CIRCULAR NUMBER: 19528 SUBJECT: Swift Trigger 690738 is not an astrophysical event DATE: 16/06/12 16:49:31 GMT FROM: David Palmer at LANL S. D. Barthelmy (GSFC), N. Gehrels (NASA/GSFC), D. M. Palmer (LANL) and M. H. Siegel (PSU) report on behalf of the Swift Team: Swift trigger 690738 (at 16:24:32 UT) is due to an on-board misidentification of Sco X-1. It does not represent an astrophysical event.