Journal
ASTROPHYSICAL JOURNAL LETTERS
Volume 713, Issue 2, Pages L164-L168Publisher
IOP PUBLISHING LTD
DOI: 10.1088/2041-8205/713/2/L164
Keywords
planetary systems; stars: fundamental parameters; stars: oscillations
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Funding
- NASA's Science Mission Directorate
- Danish Natural Science Research Council
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In addition to its great potential for characterizing extra-solar planetary systems, the Kepler Mission is providing unique data on stellar oscillations. Akey aspect of Kepler asteroseismology is the application to solar-like oscillations of main-sequence stars. As an example, we here consider an initial analysis of data for three stars in the Kepler field for which planetary transits were known from ground-based observations. For one of these, HAT-P-7, we obtain a detailed frequency spectrum and hence strong constraints on the stellar properties. The remaining two stars show definite evidence for solar-like oscillations, yielding a preliminary estimate of their mean densities.
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