TITLE: GCN CIRCULAR NUMBER: 11775 SUBJECT: IBAS trigger n. 6138 is not a GRB DATE: 11/03/05 14:13:48 GMT FROM: Diego Gotz at CEA D. Gotz (CEA Saclay) on behalf of the IBAS localization Team reports: IBAS trigger n. 6138 is not due to a GRB but to 1A 0535+262, currently in outburst, that was not corretcly localized due to incorrect attitude information at satellite level. This message can be cited.