Turbulent Convection in Young Solar-like Stars: Influence of rotation

Details Turbulent Convection in Young Solar-like Stars: Influence of rotation Turbulent Convection in Young Solar-like Stars: Influence of rotation

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004sf2a.conf..197b&link_type=abstract

SF2A-2004: Semaine de l'Astrophysique Francaise, meeting held in Paris, France, June 14-18, 2004. Edited by F. Combes, D. Barret

Astronomy and Astrophysics

Astrophysics

Scientific paper

The study of the relationship between X-ray emission and rotation in young stars (Feigelson et al. 2003) and observations of magnetic-field topology of such stars with Zeeman-Doppler Imaging (Donati et al. 2003) indicate that the dynamo processes differ from those operating in main sequence stars. In this context, 3-D numerical simulations have been started. The first step is to study the purely hydrodynamic case. We have simulated the convective shell of a young sun (10 Myr) with the Anelastic Spherical Harmonic (ASH) code. We have studied the angular momentum transfer, the meridional circulation and the differential rotation in this shell. We have also studied the effects of different rotation rates (1, 2 and 5 solar rate).

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