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Space-based projects are providing a wealth of high-quality asteroseismicdata, including frequencies for a large number of stars showing solar-likeoscillations. These data open the prospect for precise determinations of keystellar parameters, of particular value to the study of extra-solar planetarysystems. Given the quantity of the available and expected data it is importantto develop efficient and reliable techniques for analyzing them, including thedetermination of stellar parameters from the observed frequencies. Here wepresent the SEEK package developed for the analysis of asteroseismic data fromthe Kepler mission. A central goal of the package is to obtain a fast andautomatic determination of the stellar radius and other parameters, in a formthat is statistically well-defined. The algorithms are tested by comparing theresults of the analysis with independent measurements of stellar radius andmass, for a sample of well-observed stars. We conclude that the SEEK packagefixes stellar parameters with accuracy and precision.

Automatic Determination of Stellar Parameters via Asteroseismology of Stochastically Oscillating Stars: Comparison with Direct Measurements