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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Iota Apodis ： ウィキペディア英語版 Iota Apodis Iota Apodis (ι Aps, ι Apodis) is the Bayer designation for a binary star〔 system in the southern circumpolar constellation of Apus. It is a faint target at an apparent visual magnitude of 5.41,〔 but still visible to the naked eye from suitably dark skies. The distance to this star can be roughly gauged from parallax measurements, yielding an estimate of with a 20% margin of error.〔 Both stars are B-type main sequence stars, which indicates they shine with a blue-white hue.〔 The brighter component has a stellar classification of B9 V and an apparent magnitude 5.90, while the second member is a B9.5 V star with a magnitude of 6.46. The pair have an angular separation of 0.091 arcseconds〔 with a preliminary estimated orbital period of 51.441 years.〔 ==Naming== In Chinese caused by adaptation of the European southern hemisphere constellations into the Chinese system, (), meaning ''Exotic Bird'', refers to an asterism consisting of ι Apodis, ζ Apodis, β Apodis, γ Apodis, δ Octantis, δ1 Apodis, η Apodis, α Apodis and ε Apodis. Consequently, ι Apodis itself is known as (, (英語:the Second Star of Exotic Bird).)〔 (AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 29 日 )〕 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「Iota Apodis」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.