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Tau Aurigae
Tau Aurigae (τ Aur, τ Aurigae) is the Bayer designation for a star in the constellation Auriga. It is visible to the naked eye with an apparent visual magnitude of 4.505,〔 and is approximately distant from Earth. This is an evolved giant star with a stellar classification of G8 III.〔 It has expanded to 11 times the radius of the Sun and shines with 63 times the Sun's luminosity. This energy is radiated into outer space from the outer atmosphere at an effective temperature of 4,887.〔 This heat gives it the yellow-hued glow of a G-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)』 ■ウィキペディアで「Tau Aurigae」の詳細全文を読む
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