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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 Tau Boötis b ： ウィキペディア英語版 Tau Boötis b Tau Boötis b, or more precisely Tau Boötis Ab, is an extrasolar planet approximately 51 light-years away〔 around the primary star of the Tau Boötis system in the constellation of Boötes. Announced in 1996 by Geoffrey Marcy and R. Paul Butler, Tau Boötis was one of the first stars confirmed to have planets orbiting it.〔 On 16 December 1999, the planet was dubbed the "Millennium Planet" because the planet was then (erroneously) thought to be the first extrasolar planet to be discovered visually.〔 The planet and its host star is one of the planetary systems selected by the International Astronomical Union as part of their public process for giving proper names to exoplanets and their host star (where no proper name already exists).〔(NameExoWorlds: An IAU Worldwide Contest to Name Exoplanets and their Host Stars ). IAU.org. 9 July 2014〕〔(NameExoWorlds ).〕 The process involves public nomination and voting for the new names, and the IAU plans to announce the new names in mid-November 2015.〔(NameExoWorlds ).〕 == Discovery == Discovered in 1996, the planet is one of the first extrasolar planets found. It was discovered orbiting the star Tau Boo (HR 5185) by Paul Butler and Geoffrey Marcy (San Francisco Planet Search Project)〔 using the highly successful radial velocity method. Since the star is visually bright and the planet is massive, it produces a very strong velocity signal of 469 ± 5 metres per second, which was quickly confirmed by Michel Mayor and Didier Queloz from data collected over 15 years. It was later confirmed also by the AFOE Planet Search Team. 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「Tau Boötis b」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.