TITLE: GCN CIRCULAR NUMBER: 7271 SUBJECT: Swift Trigger 302777 is not a GRB DATE: 08/02/08 13:41:25 GMT FROM: David Palmer at LANL S. D. Barthelmy (GSFC), P. J. Brown (PSU), D. N. Burrows (PSU), J. R. Cummings (NASA/UMBC), O. Godet (U Leicester), C. Guidorzi (INAF-OAB), S. T. Holland (CRESST/USRA/GSFC), E. A. Hoversten (PSU), J. Mao (INAF-OAB), F. E. Marshall (NASA/GSFC), K. L. Page (U Leicester), D. M. Palmer (LANL), A. M. Parsons (GSFC), D. Perez (U Leicester), J. L. Racusin (PSU), M. C. Stroh (PSU) and T. N. Ukwatta (GSFC/GWU) report on behalf of the Swift Team: The Swift Trigger 302777, at 13:17:41 UT, is not due to a GRB. It is the detection of a known source (Sco X-1) at an incorrect location due to the loss of startracker lock.