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Observational constraints on models of â Hydri

Authors: J. Fernandes; Monteiro, M. J. P. F. G.

Ref.: Asteroseismology Across the HR Diagram. Proceedings of the Asteroseismology Workshop, Porto, Portugal, 1-5 July, 2002. Edited by M.J. Thompson, M.S. Cunha, M.J.P.F.G. Monteiro. Reprinted from Astrophysics and Space Science, Volume 284, No. 1, 2003. Kluwer Academic Publishers, Dordrecht., p.513-516 284, 513-516 (2003)

Abstract: A review of the models for the star â Hydri is done by adjusting the evolutionary sequences to the most recent bolometric, spectroscopic and astrometric data. The dependence of the solution on some of the relevant modelling parameters is analysed and the degeneracy of the solution using the HR Diagram analysis is discussed. We briefly describe how the seismic study of the star can help to clarify some of the degeneracy of the model solutions.

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