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Searching for the Most Stable Pulsating Stars

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White Dwarfs

Part of the book series: NATO Science Series ((NAII,volume 105))

Abstract

Certain modes in the hot ZZ Ceti stars (HDAVs) exhibit extreme pulsational stability; their periods have been observed to show a slow increase, which is theoretically accounted for by evolutionary cooling of the star. These modes are super-stable, more stable than atomic clocks and most pulsars; they will lose one cycle in a few billion years. We have begun a program to find 100 new HDAVs to do ensemble asteroseismology and to search for planetary companions. HDAVs with an orbiting planet should show a measurable reflex motion around the center of mass of the system, easily distinguishable from their slow evolutionary cooling.

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Authors and Affiliations

  1. University of Texas at Austin, Austin, TX, 78712, USA

    A. Mukadam, F. Mullally, D. E. Winget, R. E. Nather, S. Salviander, T. Von Hippel, D. Reaves & D. Slaughter

  2. Universidade Federal do Rio Grande do Sul, RS, Brazil

    S. O. Kepler

  3. Victoria University of Wellington, Wellington, New Zealand

    D. J. Sullivan

  4. University of Georgia, Athens, GA, 30602-2451, USA

    D. Homeier

Authors
  1. A. Mukadam
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  2. F. Mullally
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  3. D. E. Winget
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  4. R. E. Nather
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  5. S. Salviander
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  6. T. Von Hippel
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  7. D. Reaves
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  8. D. Slaughter
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  9. S. O. Kepler
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  10. D. J. Sullivan
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  11. D. Homeier
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Editor information

Editors and Affiliations

  1. INAF — Osservatorio Astronomico di Capodimonte, Napels, Italy

    Domitilla de Martino  & Roberto Silvotti  & 

  2. Universitetet i Tromsø, Norway

    Jan-Erik Solheim

  3. Vilnius University, Vilnius, Lithuania

    Romualdas Kalytis

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© 2003 Springer Science+Business Media Dordrecht

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Mukadam, A. et al. (2003). Searching for the Most Stable Pulsating Stars. In: de Martino, D., Silvotti, R., Solheim, JE., Kalytis, R. (eds) White Dwarfs. NATO Science Series, vol 105. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0215-8_69

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  • DOI: https://doi.org/10.1007/978-94-010-0215-8_69

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-1-4020-1364-5

  • Online ISBN: 978-94-010-0215-8

  • eBook Packages: Springer Book Archive

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