> In reference to vsnet-id 50 (Mr. Kinnunen) : the Simbad User's Guide recommend > to use three roman letters for each greek letter : alf, bet, gam, etc. For the > greek letters mu, nu and pi it is recommended to write mu., nu. and pi. > Somewhere I read (but my memory lets me down!) to write miu and niu for the > greek letters mu and nu. In our database the variable mu Cep is written Three-letter codes for Greek characters also seem difficult to use consistently when combined with suffix digits. Famous examples in variable stars include mu1 Sco (mu.1 Sco? miu1??). Regards, Taichi Kato