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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 Kappa Tauri ： ウィキペディア英語版 Kappa Tauri Kappa Tauri (κ Tau, κ Tauri) is a double star in the constellation Taurus and a member of the Hyades open cluster.〔 The pair are approximately 150 light years from Earth, but are separated by about six light years.〔 The system is dominated by a visual double star, κ¹ Tauri and κ² Tauri. κ¹ Tauri is a white A-type subgiant with an apparent magnitude of +4.22.〔 It is emitting an excess of infrared radiation at a temperature indicating there is a circumstellar disk in orbit at a radius of 67 AU from the star.〔 κ² Tauri is a white A-type main sequence star with an apparent magnitude of +5.24.〔 Both stars are Delta Scuti variables.〔 Between the two bright stars is a binary star made up of two 9th magnitude stars, Kappa Tauri C and Kappa Tauri D, which are 5.5 arcseconds from each other (as of 2013) and 175.1 arcseconds from κ¹ Tau. Two more 12th magnitude companions fill out the visual group: Kappa Tauri E, which is 145 arcseconds from κ¹ Tau, and Kappa Tauri F, 108.5 arcseconds away from κ² Tau.〔 ==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「Kappa Tauri」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.