Rotation of the Sun and the meridional drift of magnetic structures

Details Rotation of the Sun and the meridional drift of magnetic structures Rotation of the Sun and the meridional drift of magnetic structures

Jun 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004kfnt...20..234g&link_type=abstract

Kinematika i Fizika Nebesnykh Tel, vol. 20, no. 3, p. 234-241

Computer Science

1

Scientific paper

The drift of structures of the general magnetic field and activity zones with the solar cycle activity is analysed. The expressions linking the drift velocity of magnetic structures with the difference of their plasma density are derived. It is shown that the rotation of the Sun leads to the separate of magnetic structures into lighter and more heavy ones in comparison to the surrounding plasma. The drift of the sunspot zones toward the equator owing to the rotation of the Sun is possible under the condition that magnetic structures with sunspots are more heavy structures. At the same time the structures of the general magnetic field are bound to be to drift towards the polar zones. The difference of plasma densities in these structures is calculated on the basis of the observational drift velocity of magnetic structures. The mean strength of the magnetic field in the structures of the general magnetic field that corresponds to the difference of the plasma density is found to be 31.5 mT.

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