| DA型脉动白矮星G255—2的双站联合观测和初步的星震学分析 |
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| 引用本文： | 傅建宁,傅建宁,Ｇ．Ｖａｕｃｌａｉｒ,Ｎ．Ｄｏｌｅｚ,蒋世仰,Ｍ．Ｃｈｅｖｒｅｔｏｎ,Ｓ．Ｐａｕ. DA型脉动白矮星G255—2的双站联合观测和初步的星震学分析[J]. 中国天文和天体物理学报, 1999, 0(2) |
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| 作者姓名： | 傅建宁 傅建宁 Ｇ．Ｖａｕｃｌａｉｒ Ｎ．Ｄｏｌｅｚ 蒋世仰 Ｍ．Ｃｈｅｖｒｅｔｏｎ Ｓ．Ｐａｕ |
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| 作者单位： | 中国科学院北京天文台!北京１０００８０，中国科学院北京天文台!北京１０００８０ |
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| 摘 要： | 介绍中法双方分别于１９９５年和１９９７年对ＤＡ型脉动白矮星Ｇ２５５—２进行的两次高精度的光电测光联合观测．在仔细的数据处理之后进行了多重频率脉动分析，得到了该星的本征脉动模式．同时，结合ＤＡ型脉动白矮星的理论模型进行了初步的星震学分析．
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| 关 键 词： | 白矮星 G255-2 恒星脉动 星震学 |
Bi-Site Observation of the DA Type Pulsating White Dwarf G 255-2 and a Preliminary Astro-SeismologicalAnalysis |
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| FU Jian-ning,,G.Vauclair, N. Dolez,JIANG Shi--yang,M. Chevreton, S. Pau. Bi-Site Observation of the DA Type Pulsating White Dwarf G 255-2 and a Preliminary Astro-SeismologicalAnalysis[J]. Chinese Journal of Astronomy and Astrophysics, 1999, 0(2) |
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| Authors: | FU Jian-ning G.Vauclair N. Dolez JIANG Shi--yang M. Chevreton S. Pau |
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| Affiliation: | FU Jian-ning,1,2G.Vauclair2, N. Dolez,2JIANG Shi--yang,1M. Chevreton,3 S. Pau31 |
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| Abstract: | n this paper, we publish the Chinese-French bi-site high-accuracy photoelectric observations of the DA type pulsating white dwarf G 255-2made in 1995 and 1997. After carefuldata reduction, we make a multi-frequency analysis, and determine its eigen frequencies andmodes. In connection with the theoretical model of white dwarfs, we make a preliminaryastro-seismological analysis. |
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| Keywords: | white dwarf - G 255-2 - pulsation -asteroseismology |
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