TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2222 SUBJECT: IPN triangulation of GRB030509 - correction DATE: 03/05/09 20:14:19 GMT FROM: Kevin Hurley at UCBerkeley/SSL K. Hurley, on behalf of the Ulysses GRB team, reports: The confidence region for one dimension of the error box of this burst (GCN 2221) was underestimated. The correct, 3 sigma error box coordinates are: RA(2000) DEC(2000) 5 h 26 m 24.19 s 7 o 8 ' 47.66 " (CENTER) 5 h 39 m 9.75 s 2 o 55 ' 0.26 " (CORNER) 5 h 39 m 12.94 s 2 o 56 ' 49.85 " (CORNER) 5 h 12 m 55.57 s 11 o 46 ' 51.06 " (CORNER) 5 h 12 m 57.81 s 11 o 49 ' 7.90 " (CORNER) The area of this error box is approximately 1100 square arcminutes. I regret any inconvenience caused by this mistake.