Michel Verdenet and Wolfgang Renz were kindly reply to me. Thank you. They teach me that classification of X TrA as nova might be mistake. All right, I will contact with Simbad. Thank you, again. Seiichiro Kiyota On 2009/12/15, at 13:37, Seiichito Kiyota wrote: > > Does anyone know about "nova TrA 1960"?