The influence of the toroidal roll pattern on the sunspot activity

Details The influence of the toroidal roll pattern on the sunspot activity The influence of the toroidal roll pattern on the sunspot activity

Dec 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988esasp.286..291r&link_type=abstract

In ESA, Seismology of the Sun and Sun-Like Stars p 291-293 (SEE N89-25819 19-92)

Computer Science

1

Magnetic Disturbances, Solar Activity Effects, Solar Cycles, Solar Magnetic Field, Sunspots, Helioseismology, Solar Flux, Toruses

Scientific paper

The latitude distribution of active regions with respect to the toroidal roll pattern was investigated for the period 1978 to 1982. It is shown that the sunspot activity is not concentrated only at the boundaries of rolls. The downdraft at the convergence of adjacent rolls is however more favorable than the updraft to the magnetic flux expulsion. The roll motions are probably not the hydrodynamic forces controlling the flux emergence. They, however, influence the magnetic complexity of the active regions, each torus acting as a selective amplifier.

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