Ensemble Asteroseismology of Solar-Type Stars with the NASA Kepler Mission

William J. Chaplin, Hans Kjeldsen, Jørgen Christensen-Dalsgaard, Sarbani Basu, Andrea Miglio, Thierry Appourchaux, Timothy R. Bedding, Yvonne Elsworth, R,A. García, Ronald L. Gilliland, L. Girardi, Günter Houdek, Christoffer Karoff, Stephen D. Kawaler, Travis S. Metcalfe, Joanna Molenda-Zakowicz, Mario J.P.F.G. Monteiro, Michael J. Thompson, G.A. Verner, J. BallotAlfio Bonanno, Isa Maria Brandão, Anne-Marie Broomhall, Hans Bruntt, Tiago L. Campante, Enrico Corsaro, Orlagh L. Creevey, Gülnur Dogan, Lisa Esch, N. Gai, P. Gaulme, S.J. Hale, Rasmus Handberg, Saskia Hekker, Daniel Huber, A. Jiménez, S. Mathur, A. Mazumdar, Benoit Mosser, R. New, M.H. Pinsonneault, D. Pricopi, Pierre-Olivier Quirion, Clara Régulo, D. Salabert, A.M. Serenelli, Victor Silva Aguirre, S.G. Sousa, Dennis Stello, I.R. Stevens, M.D. Suran, Katrien Uytterhoeven, Timothy R. White, William J. Borucki, Timothy M. Brown, Jon M. Jenkins, Karen Kinemuchi, J. Van Cleve, T.C. Klaus

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    Abstract

    In addition to its search for extrasolar planets, the NASA Kepler mission provides exquisite data on stellar oscillations. We report the detections of oscillations in 500 solar-type stars in the Kepler field of view, an ensemble that is large enough to allow statistical studies of intrinsic stellar properties (such as mass, radius, and age) and to test theories of stellar evolution. We find that the distribution of observed masses of these stars shows intriguing differences to predictions from models of synthetic stellar populations in the Galaxy.
    OriginalsprogEngelsk
    TidsskriftScience
    Vol/bind332
    Nummer6026
    Sider (fra-til)213-216
    ISSN0036-8075
    DOI
    StatusUdgivet - 8 apr. 2011

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