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HD 151967
HD 151967 is variable star in the southern constellation of Ara. It is a sixth magnitude star,〔 which means it is just visible to the naked eye in dark skies. Parallax measurements place it at a distance of approximately 710 light years from the Earth.〔
This is a red giant with a stellar classification of M1III;〔 it has expanded to 53〔 times the radius of the Sun and radiates 637〔 times the Sun's luminosity. The star varies in brightness by an amplitude of 0.0156 in magnitude over a period of 26 days.〔 The effective temperature of the outer atmosphere is 3,839 K,〔 giving it the rudy hue of an M-type star.〔
==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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