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101 Aquarii
101 Aquarii or b3 Aquarii (101 Aqr) is the Flamsteed designation for a binary star〔 in the equatorial constellation of Aquarius. The combined apparent visual magnitude of the pair is 4.71,〔 which is bright enough to be seen with the naked eye from the suburbs. The distance of this star from Earth is estimated as based upon parallax measurements.〔 The brighter member of this system has an apparent magnitude of 4.81. It is an A-type main sequence star with a stellar classification of A0 V.〔 This star is spinning rapidly with a projected rotational velocity of 1 km/s.〔 The fainter companion is a magnitude 7.43 star at an angular separation of 0.840 arcseconds.〔 ==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「101 Aquarii」の詳細全文を読む
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