Astronomy and Astrophysics – Astrophysics – Solar and Stellar Astrophysics
Scientific paper
2011-09-22
Science, 2011, volume 332, page 213
Astronomy and Astrophysics
Astrophysics
Solar and Stellar Astrophysics
20 pages, including on-line supporting material
Scientific paper
10.1126/science.1201827
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.
Aguirre Victor Silva
Appourchaux Thierry
Ballot Jérôme
Basu Sarbani
Bedding Tim R.
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