Phenomenon of the superstrong magnetic fields in solar flares: observations and theory

Details Phenomenon of the superstrong magnetic fields in solar flares: observations and theory Phenomenon of the superstrong magnetic fields in solar flares: observations and theory

Sep 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000kfnts...3..445l&link_type=abstract

Kinematika i Fizika Nebesnykh Tel, Suppl, no. 3, p. 445-446

Astronomy and Astrophysics

Astronomy

Scientific paper

The spectral effects in Stokes I ± V and I ± Q profiles caused likely by superstrong magnetic fields were discovered in several solar flares observed on the Echelle spectrograph of the Astronomical Observatory of the Taras Shevchenko National University of Kyiv. These effects indicate on the magnetic field strength from 1 to 9 T, magnetic flux of about 1012 Wb, and life time from 3 to 20 min. The superstrong fields occur at the branch of magnetic structures with rapid evolution on the diagram ``magnetic flux -- life time" by Golovko [1]. One of the possible MHD models of such fields is a spherical magnetic vortex [5]. This model has two sets of intermittent discrete states, force-free and singular, and provides an evidence on unlimited high strengths for a short time of vortex evolution.

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