Evolution and seismology of alpha Centauri

Details Evolution and seismology of alpha Centauri Evolution and seismology of alpha Centauri

2005-09-15

arxiv.org/abs/astro-ph/0509428v1

Mem.Soc.Ast.It.77:472-473,2006

Astronomy and Astrophysics

Astrophysics

2 pages, 1 figure, Workshop on Stellar Pulsation & Evolution 2005 (Rome)

Scientific paper

Solar-like oscillations detected in both components of the binary system alpha Centauri provide strong constraints on the fundamental parameters of the stellar system. We model alpha Centauri by means of a Levenberg-Marquardt minimization algorithm including seismic and classical constraints. Computations, that were perfomed decreasing significanly the weight of alpha Cen B seismic data in the calibration procedure, predict small separations in good agreement with new observations of solar-like oscillations in alpha Cen B by Bedding (these proceedings).

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