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Psi1 Aurigae : ウィキペディア英語版 | Psi1 Aurigae
:''For other star systems with this Bayer designation, see Psi Aurigae.''
Psi1 Aurigae (ψ1 Aur, ψ1 Aurigae) is the Bayer designation for a star in the northern constellation of Auriga. It is faintly visible to the naked eye with an apparent visual magnitude of 4.91.〔 Based upon a measured annual parallax shift of 0.82 mas,〔 it is approximately distant from the Earth. This is a massive supergiant star with a stellar classification of M0 I.〔 It is a slow irregular variable of the LC type, with its brightness varying in magnitude by 0.44.〔 The star is more than 14〔 times as massive as the Sun and is blazing with 63,579〔 times the Sun's luminosity. This energy is being radiated into outer space from its outer atmosphere at an effective temperature of 3,750 K,〔 giving it the orange-red hue of a cool 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)』 ■ウィキペディアで「Psi1 Aurigae」の詳細全文を読む
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