On the out of phase appearance of large-scale diffuse magnetic field of the Sun with respect to sunspots |
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| Authors: | Mausumi Dikpati Arnab Rai Choudhuri |
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| Institution: | (1) Department of Physics, Indian Institute of Science, 560012 Bangalore, India;(2) Indian Institute of Astrophysics, 560034 Bangalore, India;(3) Kiepenheuer-Institut für Sonnenphysik, Schöneckstr. 6, D-79104 Freiburg, Germany |
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| Abstract: | We assume the large-scale diffuse magnetic field of the Sun to originate from the poloidal component of a dynamo operating at the base of the convection zone, whereas the sunspots are due to the toroidal component. The evolution of the poloidal component is studied to model the poleward migration of the diffuse field seen on the solar surface and the polar reversal at the time of sunspots maxima (Dikpati and Choudhuri 1994, 1995). |
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