Ensemble Asteroseismology of Solar-Type Stars with the NASA Kepler Mission
W. J. Chaplin, H. Kjeldsen, J. Christensen-Dalsgaard, S. Basu, A., Miglio, T. Appourchaux, T. R. Bedding, Y. Elsworth, R. A. Garc\'ia, R. L., Gilliland, L. Girardi, G. Houdek, C. Karoff, S. D. Kawaler, T. S. Metcalfe,, J. Molenda-Zakowicz, M. J. P. F. G. Monteiro, M. J. Thompson
TL;DR
This paper analyzes oscillations in 500 solar-type stars observed by NASA's Kepler Mission, enabling statistical studies of stellar properties and testing stellar evolution theories.
Contribution
It reports the detection of stellar oscillations in a large ensemble of stars, facilitating new insights into stellar properties and evolution.
Findings
Observed stellar mass distribution differs from synthetic models
Detected oscillations in 500 stars for statistical analysis
Provides data for testing stellar evolution theories
Abstract
In addition to its search for extra-solar planets, the NASA Kepler Mission provides exquisite data on stellar oscillations. We report the detections of oscillations in 500 solartype 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.
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