Spectroscopy of Tuc-Hor candidate members

We report the selection and spectroscopic confirmation of 129 new late-type (SpT=K3-M6) members of the Tucana-Horologium moving group, a nearby (d~40pc), young ({tau}~40Myr)...本研究报道了杜鹃座-时钟座移动星群（Tucana-Horologium moving group）的129个新晚型（光谱型SpT=K3-M6）恒星成员的遴选与光谱证认；该星群为邻近天体，距离约40秒差距，年龄约40百万年。