A new seismic analysis of Alpha Centauri

A. Thoul , R. Scuflaire , A. Noels , B. Vatovez , M. Briquet , M. -A. Dupret , J. Montalban (University of Liege , Belgium)

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classification 🌌 astro-ph

keywords alphaanalysisdatabeenbinarybouchycarriercentauri

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Models of alpha Cen A & B have been computed using the masses determined by Pourbaix et al. (2002) and the data derived from the spectroscopic analysis of Neuforge and Magain (1997). The seismological data obtained by Bouchy and Carrier (2001, 2002) do help improve our knowledge of the evolutionary status of the system. All the constraints are satisfied with a model which gives an age of about 6 Gyr for the binary.

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A new seismic analysis of Alpha Centauri

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