TITLE: GCN GRB OBSERVATION REPORT NUMBER: 513 SUBJECT: BEPPOSAX GRBM Localization of GRB991226 DATE: 00/01/03 18:33:56 GMT FROM: Marco Feroci at IAS/CNR Frascati BEPPOSAX GRBM Localization of GRB991226 B. Preger and F. Frontera, on behalf of the BeppoSAX GRBM team, K. Hurley, on behalf of the Ulysses GRB team, and T. Cline, on behalf of the NEAR GRB team, report: The BeppoSAX GRBM data for GRB 991226, for which two possible ~70 sq. arcmin. error boxes were reported (Hurley, Feroci and Cline, GCN #509), were used to derive a rough independent localization of the GRB source. On the basis of that analysis the following intersection derived from the IPN has the highest probability to be the correct one: RA(2000) DEC(2000) 14 h 38 m 50.18 s -61 o 26 ' 9.81 " 14 h 38 m 17.77 s -61 o 41 ' 15.52 " 14 h 38 m 36.73 s -61 o 14 ' 11.84 " 14 h 38 m 4.71 s -61 o 29 ' 22.01 "