Prospects for the study of transverse electric currents in solar active regions on the basis of the longitudinal magnetic field at two levels

Details Prospects for the study of transverse electric currents in solar active regions on the basis of the longitudinal magnetic field at two levels Prospects for the study of transverse electric currents in solar active regions on the basis of the longitudinal magnetic field at two levels

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992kfnt....8...50a&link_type=abstract

Kinematika i Fizika Nebesnykh Tel (ISSN 0233-7665), vol. 8, no. 5, p. 50-55.

Physics

Electric Current, Solar Atmosphere, Solar Magnetic Field, Chromosphere, H Beta Line, Photosphere

Scientific paper

The possibility of studying the magnetic field structure and transverse electric currents in an active region on the basis of longitudinal magnetic field observed at two levels is demonstrated. On the average, the longitudinal potential field exceeds the one at the level of H-beta formation by 5 mT and, in some places of the active region, by 20 mT and more. The calculations of the potential field are made by the observed photospheric longitudinal field. This difference is ascribed to circular transverse electric currents in the chromosphere. Their magnetic field must be antiparallel to the potential field. The intensity of these currents may be as high as 3 x 10 exp 11 A.

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