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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 Rapidly oscillating Ap star ： ウィキペディア英語版 Rapidly oscillating Ap star Rapidly oscillating Ap stars (roAp stars) are a subtype of the Ap star class that exhibit short-timescale rapid photometric or radial velocity variations. The known periods range between 5 and 23 min. They lie in the delta Scuti instability strip on the main sequence. ==Discovery== The first roAp star to be discovered was HD 101065 (Przybylski's Star).〔(Kurtz, D.W. Information Bulletin on Variable Stars, vol 1436, 1978 )〕 The oscillations were discovered by Donald Kurtz using the 20 inch telescope at the South African Astronomical Observatory, who saw 10–20 millimagnitude variations in the lightcurve of the star with a period of 12.15 min. 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「Rapidly oscillating Ap star」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.