Hunting down giant cells in deep stellar convective zones release_liktekl2lbhptophzvau6jxx4e

by Nicolas Bessolaz, Allan Sacha Brun

Published in Proceedings of the International Astronomical Union by Cambridge University Press (CUP).

2010   Issue S271, p365-366

Abstract

<jats:title>Abstract</jats:title>3D high resolution simulations for the convective zone of a 4Myr old 0.7 <jats:italic>M</jats:italic><jats:sub>⊙</jats:sub> pre-main sequence star in gravitational contraction are carried out with different radial density contrast using the pseudo spectral ASH code (Brun <jats:italic>et al</jats:italic>. 2004). We extract giant cells signal from the complex surface convective patterns by using a wavelet analysis. We then characterize them by estimating their lifetime and rotation rate according to the density contrast.
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