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American Astronomical Society, Astrophysical Journal Letters, 2(738), p. L28, 2011

DOI: 10.1088/2041-8205/738/2/l28

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Verification of the Kepler Input Catalog from Asteroseismology of Solar-type Stars

Journal article published in 2011 by G. A. Verner, W. J. Chaplin, S. Basu, T. M. Brown, S. Hekker, D. Huber, C. Karoff, S. Mathur, T. S. Metcalfe, B. Mosser, P.-O. Quirion, T. Appourchaux, T. R. Bedding ORCID, H. Bruntt, T. L. Campante and other authors.
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

We calculate precise stellar radii and surface gravities from the asteroseismic analysis of over 500 solar-type pulsating stars observed by the Kepler space telescope. These physical stellar properties are compared with those given in the Kepler Input Catalog (KIC), determined from ground-based multi-color photometry. For the stars in our sample, we find general agreement but we detect an average overestimation bias of 0.23 dex in the KIC determination of log (g) for stars with log (g)_KIC > 4.0 dex, and a resultant underestimation bias of up to 50% in the KIC radii estimates for stars with R_KIC