Spectroscopy of subsystems in four multiple stars
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Seven spectroscopic orbits in nearby solar-type multiple stars are presented. The primary of the chromospherically active star HIP9642 is a 4.8day double-lined pair; the outer...
本文报道了邻近类太阳多星系统中的7条光谱轨道。色球活动星HIP9642的主星为一颗周期4.8天的双谱线双星；其外部……
