Are Convective Dynamos Responsible for the Minimum X-ray Fluxes Observed in the Sun and Late-Type Main Sequence Stars?

Details Are Convective Dynamos Responsible for the Minimum X-ray Fluxes Observed in the Sun and Late-Type Main Sequence Stars? Are Convective Dynamos Responsible for the Minimum X-ray Fluxes Observed in the Sun and Late-Type Main Sequence Stars?

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aspc..354..127b&link_type=abstract

Solar MHD Theory and Observations: A High Spatial Resolution Perspective ASP Conference Series, Vol. 354, Proceedings of the Con

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We extend the investigation of tet{Bercik05} to the case of a non-rotating solar-type reference star. Using three-dimensional numerical simulations of a turbulent dynamo driven by convection and the empirical relationship of tet{Pevtsov03}, we predict the level of X-ray emission from such a convective turbulent dynamo, and find that our results are consistent with quiet Sun observations. This implies that it is plausible that the Sun may have a rotation-independent convective dynamo working together with the large-scale dynamo believed to be responsible for the solar cycle.

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