V4641 Sgr and GM Sgr Dear Colleagues, As Dr. Skiff has introduced in vsnet-chat 2343, the GCVS team has decided to assign a new designatation V4641 Sgr to our former 'GM Sgr', the optical counterpart of the flaring X-ray transient = SAX J1819.3-2525 = XTE J1819-254 (I don't think it appropriate to classify it as an early-type cataclysmic, cf IAUC 7277, though). We can update the object names accordingly in my personal database, but we will face a severe difficulty in automatically discriminating, as done in the VSNET data browser, differenct GM Sgr's intended for Luyten's variable and the X-ray object. In order to avoid further confusion, please use SGRGMLuyten (in the VSNET format for vsnet-obs) for explicitly denoting Luyten's GM Sgr (now officially designated). Both SGRV4641 and SGRGM will be converted to SGRV4641. acceptable reporting names finally converted name SGRV4641 SGRV4641 SGRGM (not recommended) SGRV4641 SGRGMLuyten SGRGM Thank you very much for your assistance. Regards, Taichi Kato