Abstract
A new exact analytical solution of the magnetohydrostatic problem describes the equilibrium of a solitary, dense-cool solar filament maintained against the gravity by magnetic force in hot solar corona at heights up to 20–40 Mm. The filament is assumed to be uniform along the axis (the translation symmetry). The magnetic field of the filament has the helical structure (magnetic flux rope) with a typical strength of a few Gauss in the region of minimal temperature (about 4000 K). The model can be applied to the quiescent prominence of both normal and inverse magnetic polarity.
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Solov’ev, A.A., Korolkova, O.A. & Kirichek, E.A. Model of quiescent prominence with the helical magnetic field. Geomagn. Aeron. 56, 1090–1094 (2016). https://doi.org/10.1134/S0016793216080193
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DOI: https://doi.org/10.1134/S0016793216080193