A three-dimensional simulation of a coronal streamer

Details A three-dimensional simulation of a coronal streamer A three-dimensional simulation of a coronal streamer

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990georl..17.2281l&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 17, Dec. 1990, p. 2281-2284. Research supported by NASA and NSF.

Statistics

Computation

37

Computational Astrophysics, Current Sheets, Magnetic Field Configurations, Solar Corona, Solar Corpuscular Radiation, Magnetohydrodynamic Stability, Simulation, Solar Magnetic Field, Stellar Mass Ejection, Stellar Models, Three Dimensional Flow

Scientific paper

A time-dependent MHD simulation was used to investigate the magnetic topology of an idealized streamerlike configuration in three dimensions. Starting from an initially current-free multipole field and a transonic flow, a quasi-steady, streamerlike configuration forms. The simulated streamer exhibits a closed magnetic field region bounded by a current layer and surrounded by open fields. This helmet region is surmounted by a current layer, with an enhanced density in the closed field and current sheet regions. The simulated streamer has a finite longitudinal extent, with the closed field region primarily confined to the center of the structure.

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