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Xi Puppis
Xi Puppis (Xi Pup, ξ Puppis, ξ Pup) is a star in the southern constellation of Puppis. With an apparent visual magnitude of 3.35,〔 it is one of the brighter members of this constellation. It is a yellow supergiant. It has the traditional name Asmidiske (''Azmidiske''), a misplacement and mistransliteration of ''Aspidiske,'' the traditional name of ι Carinae. Based on parallax measurements made during the Hipparcos mission, it is located approximately away, with a 7.5% margin of error.〔 Because of the distance of this star from the Earth, its visual magnitude is reduced by 0.73 as a result of extinction from the intervening gas and dust.〔 Asmidiske has a 13th magnitude companion at an apparent distance of 5".1 while it may also be a spectroscopic binary. ==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「Xi Puppis」の詳細全文を読む
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