Asteroseismology of solar-type stars with Kepler I: Data analysis

C. Karoff; W.J. Chaplin; Thierry Appourchaux; Y. Elsworth; R.A. Garcia; G. Houdek; T.S. Metcalfe; J. Molenda-Żakowicz; M.J.P.F.G. Monteiro; M.J. Thompson; J. Christensen-Dalsgaard; R.L. Gilliland; H. Kjeldsen; S. Basu; T.R. Bedding; T.L. Campante; P. Eggenberger; S.T. Fletcher; P. Gaulme; R. Handberg; S. Hekker; Milena Martic; S. Mathur; B. Mosser; C. Regulo; I.W. Roxburgh; D. Salabert; D. Stello; G.A Verner; K. Belkacem; K. Biazzo; M.S. Cunha; M. Gruberbauer; J.A. Guzik; F. Kupka; B. Leroy; H.-G. Ludwig; S. Mathis; A. Noels; R.W. Noyes; T. Roca Cortes; M. Roth; K.H. Sato; J. Schmitt; M.D. Suran; R. Trampedach; K. Uytterhoeven; R. Ventura; P.A. Wilson

HAL: hal-00683333, version 1

ADS Bibliographic id: 2010AN....331..972K

DOI: 10.1002/asna.201011438

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Astronomische Nachrichten 331, 9-10 (2010) 972-976

Asteroseismology of solar-type stars with Kepler I: Data analysis

C. Karoff ^1, 2, W.J. Chaplin ¹, Thierry Appourchaux ³, Y. Elsworth ¹, R.A. Garcia ⁴, G. Houdek, T.S. Metcalfe, J. Molenda-Żakowicz, M.J.P.F.G. Monteiro, M.J. Thompson, J. Christensen-Dalsgaard, R.L. Gilliland, H. Kjeldsen ², S. Basu, T.R. Bedding, T.L. Campante ², P. Eggenberger, S.T. Fletcher, P. Gaulme, R. Handberg ², S. Hekker ¹, Milena Martic, S. Mathur, B. Mosser, C. Regulo, I.W. Roxburgh, D. Salabert, D. Stello, G.A Verner, K. Belkacem, K. Biazzo, M.S. Cunha, M. Gruberbauer, J.A. Guzik, F. Kupka, B. Leroy, H.-G. Ludwig ⁵, S. Mathis, A. Noels, R.W. Noyes, T. Roca Cortes, M. Roth, K.H. Sato ⁴, J. Schmitt ⁶, M.D. Suran, R. Trampedach, K. Uytterhoeven ⁴, R. Ventura, P.A. Wilson

(2010)

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.

1:	School of Physics and Astronomy, University of Birmingham

	University of Birmingham

2:	Department of Physics and Astronomy, University of Aarhus

	University of Aarhus

3:	Institut d'astrophysique spatiale (IAS)

	CNRS : UMR8617 – INSU – Université Paris XI - Paris Sud

4:	Astrophysique, Instrumentation et Modélisation (AIM)

	CNRS : UMR7158

5:	Zentrum fuer Astronomie der Universitaet Hiedelberg, Landessternwarte (ZAU)

	Universitaet Heidelberg

6:	Observatoire de Haute-Provence (OHP)

	CNRS : USR2207 – INSU – Université de Provence - Aix-Marseille I

Subject

Sciences of the Universe/Astrophysics/Solar and Stellar Astrophysics

Physics/Astrophysics/Solar and Stellar Astrophysics

Keyword(s): Data analysis – Stars: interiors – Stars: late-type – Stars: oscillations


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