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106 Aquarii
106 Aquarii is the Flamsteed designation for a star in the equatorial constellation of Aquarius. It has an apparent visual magnitude of +5.2,〔 making it bright enough to be viewed from the suburbs according to the Bortle Dark-Sky Scale. An annual parallax shift of 8.61〔 milliarcseconds yields an estimated distance of around from Earth. The spectrum of this star fits a stellar classification of B9 V,〔 indicating this is a B-type main sequence star. It is spinning rapidly with a projected rotational velocity of 370 km/s.〔 X-ray emission with a luminosity of has been detected from this star. This is unusual since a B-type star normally does not have any significant X-ray emission. Instead, it may have an undetected lower mass companion.〔 ==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「106 Aquarii」の詳細全文を読む
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