The asteroseismic potential of Kepler: first results for solar-type stars

Details The asteroseismic potential of Kepler: first results for solar-type stars The asteroseismic potential of Kepler: first results for solar-type stars

2010-01-04

arxiv.org/abs/1001.0506v2

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

16 pages, 3 figures, 1 table; now accepted for publication in ApJ Letters

Scientific paper

We present preliminary asteroseismic results from Kepler on three G-type stars. The observations, made at one-minute cadence during the first 33.5d of science operations, reveal high signal-to-noise solar-like oscillation spectra in all three stars: About 20 modes of oscillation may be clearly distinguished in each star. We discuss the appearance of the oscillation spectra, use the frequencies and frequency separations to provide first results on the radii, masses and ages of the stars, and comment in the light of these results on prospects for inference on other solar-type stars that Kepler will observe.

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