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Sunspot cycles and Grand Minima

Published online by Cambridge University Press:  26 February 2010

Dmitry Sokoloff ,
Rainer Arlt ,
David Moss ,
Steven H. Saar  and
Ilya Usoskin
Dmitry Sokoloff
Affiliation:
Department of Physics, Moscow State University, 119991, Moscow, Russia email: sokoloff@dds.srcc.msu.su
Rainer Arlt
Affiliation:
Astrophysical Institute Potsdam, An der Sternwarte 16, D-14482 Potsdam, Germany.Potsdam email: rarlt@aip.de
David Moss
Affiliation:
School of Mathematics, University of Manchester, Manchester M13 9PL, UK email: David.Moss@manchester.ac.uk
Steven H. Saar
Affiliation:
Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, USA email: saar@cfa.harvard.edu
Ilya Usoskin
Affiliation:
Sodankylä Geophysical Observatory (Oulu Unit), 90014 University of Oulu, Finland email: ilya.usoskin@oulu.fi
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Abstract

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Observational data concerning the long-term history of cyclic solar activity as recorded in sunspot and isotopic data are discussed in the context of solar dynamo theory. In particular, a simple dynamo model based on differential rotation and the mirror asymmetry of convection with random fluctuations of dynamo governing parameters is shown to reproduce some basic features of the solar magnetic activity evolution.

Keywords

Sun: magnetic fields(Sun:) sunspotsstars: magnetic fields
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S264: Solar and Stellar Variability: Impact on Earth and Planets , August 2009 , pp. 111 - 119
Copyright
Copyright © International Astronomical Union 2010

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