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Asteroseismology of the ZZ Ceti and DAZ GD 133
Fu, JN1; Vauclair, G2,3; Su, J1; Cang, T1; Li, C1; Xue, H1; Jiang, XJ5; Li Y(李焱)4; Niu, H6; Zhang, X6; Colas, F7; Dolez, N2,3; Machado, LF8; Michel, R8; Alvarez, M8; Kim, SL9; Fu, JN, Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China
会议录名称Astronomical Society of the Pacific (ASP) Conference Series - 20TH EUROPEAN WHITE DWARF WORKSHOP
2017
卷号509
页码355-358
产权排序第4完成单位
收录类别CPCI
会议名称20th European Workshop on White Dwarfs (EuroWD)
会议日期2016-07-25
会议地点Univ Warwick, Coventry, UNITED KINGDOM
摘要GD 133 is a DAZ white dwarf with an atmosphere polluted by heavy elements accreted from a debris disk, which is formed by the disruption of rocky planetesimals with orbits bringing them at the white dwarf tidal radius. To reach such orbits implies the potential presence of a perturbing planet. GD 133 is a ZZ Ceti pulsator close to the blue edge of the instability strip. The presence of a planet could be revealed by the periodical variation of the observed pulsation periods induced by the orbital motion of the white dwarf around the barycenter of the system. We started a multi-site photometric follow-up aimed at detecting the signature of this potential planet. As a preliminary result of this work in progress, we give the parameters of the GD 133 best-fit model derived from asteroseismology.
语种英语
学科领域天文学
文章类型Proceedings Paper
出版者ASTRONOMICAL SOC PACIFIC
出版地390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA
ISBN号978-1-58381-902-9
URL查看原文
WOS记录号WOS:000401592100059
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics ; Astronomy & Astrophysics
关键词[WOS]STELLAR ASTROPHYSICS MESA ; WHITE-DWARFS ; MODULES ; PLANETS
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文献类型会议论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/10039
专题恒星物理研究组
通讯作者Fu, JN, Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China
作者单位1.Department of Astronomy, Beijing Normal University, 100875 Beijing, China
2.Université de Toulouse, UPS-OMP, IRAP, Toulouse, France
3.CNRS, IRAP, 14 avenue Edouard Belin, F-31400 Toulouse, France
4.Yunnan Observatories, Chinese Academy of Sciences, P.O. Box 110, Kunming, 650011, China
5.National Astronomical Observatories, Chinese Academy of Sciences, 20A, Datun Road, Chaoyang District, 100012 Beijing, China
6.Xinjiang Astronomical Observatory, Chinese Academy of Sciences, Urumqi, 830011, China
7.IMCCE, Observatoire de Paris, UMR 8028 CNRS, F-75014 Paris, France
8.Instituto de Astronomía, Observatorio Astronómico Nacional San Pedro, Martir, Universidad Nacional Autónoma de México, 22860 Ensenada, Baja, California, México
9.Korea Astronomy and Space Science Institute, San 61-1, Hwaan, Yuseong, 305-348 Daejeon, Korea
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Fu, JN,Vauclair, G,Su, J,et al. Asteroseismology of the ZZ Ceti and DAZ GD 133[C]. 390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA:ASTRONOMICAL SOC PACIFIC,2017:355-358.
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