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HD 150136
HD 150136 is a triple system of massive O-type stars〔 in the southern constellation of Ara. It consists of a double-lined spectroscopic binary〔 with a more distant tertiary companion. The last star is orbiting the other two with a period of 8.2 years, an eccentricity of 0.73, and an inclination of 108°. The estimated masses of the stars are , , and times the mass of the Sun. This system contains the brightest stars in the NGC 6193 cluster.〔
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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