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 istheoretically accounted for by evolutionary cooling of the star. These modesare super-stable, more stable than atomic clocks and most pulsars;they will lose one cycle in a few billion years. We have begun aprogram to find 100 new HDAVs to do ensemble asteroseismology and tosearch for planetary companions. HDAVs with an orbiting planet shouldshow a measurable reflex motion around the center of mass of thesystem, easily distinguishable from their slow evolutionary cooling.
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CITATION STYLE
Mukadam, A., Mullally, F., Winget, D. E., Nather, R. E., Salviander, S., Hippel, T., … Homeier, D. (2003). Searching for the Most Stable Pulsating Stars. In White Dwarfs (pp. 227–230). Springer Netherlands. https://doi.org/10.1007/978-94-010-0215-8_69
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