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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
Source PublicationAstronomical Society of the Pacific (ASP) Conference Series - 20TH EUROPEAN WHITE DWARF WORKSHOP
Author of SourceTremblay, PE; Gansicke, B; Marsh, T
Contribution Rank第4完成单位
Indexed ByCPCI
Conference Name20th European Workshop on White Dwarfs (EuroWD)
Conference Date2016-07-25
Conference PlaceUniv Warwick, Coventry, UNITED KINGDOM
Conference SponsorEuropean Res Council

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.

Funding ProjectN/A
Funding OrganizationN/A
Subject Area天文学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeProceedings Paper
Publication Place390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA
WOS IDWOS:000401592100059
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordStellar Astrophysics Mesa ; White-dwarfs ; Modules ; Planets
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Document Type会议论文
Corresponding AuthorFu, JN
Affiliation1.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
Recommended Citation
GB/T 7714
Fu, JN,Vauclair, G,Su, J,et al. Asteroseismology of the ZZ Ceti and DAZ GD 133[C]//Tremblay, PE; Gansicke, B; Marsh, T. 390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA:ASTRONOMICAL SOC PACIFIC,2017:355-358.
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