Multiple eruptions from magnetic flux emergence

David MacTaggart; Alan W. Hood

doi:10.1051/0004-6361/200913197

Multiple eruptions from magnetic flux emergence

David MacTaggart, Alan W. Hood

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Abstract

Aims. In this paper we study the effects of a toroidal magnetic flux tube emerging into a magnetized corona, with an emphasis on large-scale eruptions. The orientation of the fields is such that the two flux systems are almost antiparallel when they meet.
Methods. We follow the dynamic evolution of the system by solving the 3D MHD equations using a Lagrangian remap scheme.
Results. Multiple eruptions are found to occur. The physics of the trigger mechanisms is discussed and related to well-known eruption models.

Original language	English
Pages (from-to)	445-449
Number of pages	5
Journal	Astronomy and Astrophysics
Volume	508
Issue number	1
DOIs	https://doi.org/10.1051/0004-6361/200913197
Publication status	Published - Dec 2009

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title = "Multiple eruptions from magnetic flux emergence",

abstract = "Aims. In this paper we study the effects of a toroidal magnetic flux tube emerging into a magnetized corona, with an emphasis on large-scale eruptions. The orientation of the fields is such that the two flux systems are almost antiparallel when they meet.Methods. We follow the dynamic evolution of the system by solving the 3D MHD equations using a Lagrangian remap scheme.Results. Multiple eruptions are found to occur. The physics of the trigger mechanisms is discussed and related to well-known eruption models.",

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AU - Hood, Alan W.

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AB - Aims. In this paper we study the effects of a toroidal magnetic flux tube emerging into a magnetized corona, with an emphasis on large-scale eruptions. The orientation of the fields is such that the two flux systems are almost antiparallel when they meet.Methods. We follow the dynamic evolution of the system by solving the 3D MHD equations using a Lagrangian remap scheme.Results. Multiple eruptions are found to occur. The physics of the trigger mechanisms is discussed and related to well-known eruption models.

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DO - 10.1051/0004-6361/200913197

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JF - Astronomy and Astrophysics Supplement Series

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Multiple eruptions from magnetic flux emergence

Abstract

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