Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufmsh42a..01p&link_type=abstract
American Geophysical Union, Fall Meeting 2010, abstract #SH42A-01
Astronomy and Astrophysics
Astrophysics
[7500] Solar Physics, Astrophysics, And Astronomy, [7524] Solar Physics, Astrophysics, And Astronomy / Magnetic Fields, [7544] Solar Physics, Astrophysics, And Astronomy / Stellar Interiors And Dynamo Theory
Scientific paper
Dynamo, an elusive process taking place in solar interior, is bedrock of solar activity. It converts thermal to magnetic energy and supplies magnetic fields to processes that ultimately define the solar upper atmosphere and the Sun’s short and long-term activity. The solar dynamo is twofold: strong magnetic fields are generated by a deep-seated dynamo, while surface fields are the results of a near-surface turbulent dynamo. Several theoretical and numerical models of these dynamo processes have been developed. Recent improvements in high resolution solar observations, helioseismology, and vector magnetography allow for in depth comparison with model predictions, and eventually, may serve as an ultimate test for or against a specific model. In this talk, I will review the existing dynamo models and contrast their predictions with the observations.
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