期刊
ASTRONOMISCHE NACHRICHTEN
卷 331, 期 9-10, 页码 972-976出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asna.201011438
关键词
methods: data analysis; stars: interiors; stars: late-type; stars: oscillations
资金
- STFC [ST/F002041/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/F002041/1] Funding Source: researchfish
- UK Space Agency [PP/E001793/1] Funding Source: researchfish
We report on the first asteroseismic analysis of solar-type stars observed by Kepler. Observations of three G-type stars, made at one-minute cadence during the first 33.5 days of science operations, reveal high signal-to-noise solar-like oscillation spectra in all three stars: About 20 modes of oscillation can clearly be distinguished in each star. We discuss the appearance of the oscillation spectra, including the presence of a possible signature of faculae, and the presence of mixed modes in one of the three stars. (C) 2010 WILEY-VCH Verlag GmbH&Co. KGaA, Weinheim
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