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

2011; American Association for the Advancement of Science; Volume: 332; Issue: 6026 Linguagem: Inglês

10.1126/science.1201827

1095-9203

W. J. Chaplin, H. Kjeldsen, J. Christensen‐Dalsgaard, Sarbani Basu, A. Miglio, T. Appourchaux, T. R. Bedding, Y. Elsworth, R. A. García, Ronald L. Gilliland, L. Girardi, G. Houdek, C. Karoff, S. D. Kawaler, Τ. S. Metcalfe, J. Molenda‐Żakowicz, M. J. P. F. G. Monteiro, M. J. Thompson, G. A. Verner, J. Ballot, A. Bonanno, I. M. Brandão, A.-M. Broomhall, H. Bruntt, T. L. Campante, E. Corsaro, O. L. Creevey, G. Doğan, Lisa Esch, Ning Gai, P. Gaulme, Steven J. Hale, R. Handberg, S. Hekker, Daniel Huber, A. Jiménez, S. Mathur, A. Mazumdar, B. Mosser, R. New, Marc H. Pinsonneault, D. Pricopi, Pierre-Olivier Quirion, C. Régulo, D. Salabert, Aldo Serenelli, V. Silva Aguirre, S. G. Sousa, Dennis Stello, I. R. Stevens, M. D. Suran, K. Uytterhoeven, T. R. White, W. J. Borucki, Timothy M. Brown, Jon M. Jenkins, Karen Kinemuchi, J. Van Cleve, Todd C. Klaus,

Astronomy and Astrophysical Research

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.