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Coronal ejections from convective spherical shell dynamos

2011/10/01 by J. Warnecke, Jörn Warnecke, Petri J. Käpylä +4
Biochemistry, Genetics and Molecular Biology · Physics and Astronomy · #Astro and Planetary Science #Geomagnetism and Paleomagnetism Studies #Solar and Space Plasma Dynamics #astro-ph.SR

paper · pdf · doi:10.1017/s1743921312004772

published as in Comparative Magnetic Minima: Characterizing quiet times in the Sun and stars, ed. C. H. Mandrini & D. F. Webb, Proc. IAU Symp., Vol. 286, pp. 154-158 (2012) · 4 pages, 3 figures, proceedings of IAU Symposium 286: Comparative Magnetic Minima

openalex publication_date 2011/10/01 · arxiv created 2011/11/07 · arxiv updated 2012/07/17 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/04

Abstract

Abstract We present a three-dimensional model of rotating convection combined with a simplified model of a corona in spherical coordinates. The motions in the convection zone generate a large-scale magnetic field which is sporadically ejected into the outer layers above. Our model corona is approximately isothermal, but it includes density stratification due to gravity.

Citations