TITLE: GCN CIRCULAR NUMBER: 7613 SUBJECT: IBAS Alert n. 5257 : not a GRB DATE: 08/04/14 13:24:13 GMT FROM: Sandro Mereghetti at IASF/CNR D.Gotz (CEA-Saclay), S.Mereghetti (INAF - IASF Milano), and M. Turler (ISDC Versoix) on behalf of the IBAS localization team communicate the IBAS Alert n. 5257 is not due to a GRB. The alert was due to the known X-ray source IGR J17473-2721 (Baldovin Saavedra et al. 2008, Astr. Telegram n.1468).