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4 Arietis
4 Arietis is the Flamsteed designation for a star in the northern constellation of Aries, the ram. Its apparent magnitude is 5.86. It has an annual parallax shift of ,〔 which corresponds to a distance from Earth of . It has an apparent visual magnitude of 5.86,〔 making it visible to the naked eye from dark suburban skies. This is a B-type main sequence star with a stellar classification of B9.5 V.〔 It has around 2.5 times the mass of the Sun and shines with 40 times the Sun's luminosity.〔 ==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「4 Arietis」の詳細全文を読む
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