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Large-scale unipolar regions generated from undeep magnetic fields

Published online by Cambridge University Press:  01 November 2006

D. K. Callebaut
Affiliation:
Physics Department, CGB, University of Antwerp, B-2020 Antwerp, Belgium email: Dirk.Callebaut@ua.ac.be
A. A. Hady
Affiliation:
Astronomy and Meteorology Department, Faculty of Science, Cairo University, Cairo, Egypt email: aahady@yahoo.com
G. K. Karugila
Affiliation:
Dept. of Biometry and Mathematics, Fac. of Science, POBox 3038, SUA, Morogoro, Tanzania email: karugila@yahoo.com
A. H. Khater
Affiliation:
Department of Mathematics, Faculty of Science, University of Beni Suef, Beni Suef, Egypt email: khater_ah@hotmail.com
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Abstract

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We explain the generation of the large-scale unipolar magnetic field regions (global magnetic regions) by the same dynamo action as for the generation of the sunspots and the polar faculae butterfly diagrams as given by Callebaut (2006). The previous global magnetic regions through meridional circulation now serve as the main seed fields (flux-transport dynamo for the global field regions), possibly supplemented by leftovers from the sunspots and some weak fields generated at the tachocline.

Type
Contributed Papers
Copyright
© 2006 International Astronomical Union