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Browsing by Author "李奇欣"

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    CY Aqr, GP And, and BP Peg短週期變星的光度分析
    (2009) 李奇欣
    本次的研究,包含GP And, BP Peg, 和 CY Aqr等三顆變星最大亮度值的新觀測。並對每一顆變星些微的週期變化作光度曲線的分析。 較大震幅類型的盾牌座型變星GP And,脈動週期變化由O-C圖所導出新公式為Cnew = 2433861.5146+0.0786829154 × E+4.6 × 10-13 × E2 討論矮造父型變星BP Peg的光度觀測。由O-C圖推算出新的基調週期為0.10954410天。 而較長週期變化的變星 CY Aqr透過O-C圖的分析所得的週期為0.061038323天。CY Aqr受光與時間影響後的雙星參數值變化, 由CY Aqr的O-C圖推得K = 0.006, Porb = 49.8 years, e = 0.7, ω = -38.9 and 。

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