Extreme ultraviolet emission lines of Ni xii in laboratory and solar spectra

Gert Botha; E. A. Evangelidis

doi:10.1111/j.1365-2966.2004.07658.x

Extreme ultraviolet emission lines of Ni xii in laboratory and solar spectra

Gert Botha, E. A. Evangelidis

Mathematics, Physics and Electrical Engineering

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Abstract

A linear force-free field solution is presented in cylindrical coordinates, formulated in terms of trigonometric and Bessel functions. A numerical exploration has revealed that this solution describes magnetic field lines that meander in Cartesian space, as well as field lines that lie on toroidal flux surfaces. These tori are in (or close to) the plane perpendicular to the cylindrical axis. Nested tori, as well as tori with shells that have finite thickness, were found. The parameter space of the solution shows that the tori exist within a bounded range of values.

Original language	English
Pages (from-to)	375-384
Journal	Monthly Notices of the Royal Astronomical Society
Volume	350
Issue number	1
DOIs	https://doi.org/10.1111/j.1365-2966.2004.07658.x
Publication status	Published - 2004

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title = "Extreme ultraviolet emission lines of Ni xii in laboratory and solar spectra",

abstract = "A linear force-free field solution is presented in cylindrical coordinates, formulated in terms of trigonometric and Bessel functions. A numerical exploration has revealed that this solution describes magnetic field lines that meander in Cartesian space, as well as field lines that lie on toroidal flux surfaces. These tori are in (or close to) the plane perpendicular to the cylindrical axis. Nested tori, as well as tori with shells that have finite thickness, were found. The parameter space of the solution shows that the tori exist within a bounded range of values.",

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AB - A linear force-free field solution is presented in cylindrical coordinates, formulated in terms of trigonometric and Bessel functions. A numerical exploration has revealed that this solution describes magnetic field lines that meander in Cartesian space, as well as field lines that lie on toroidal flux surfaces. These tori are in (or close to) the plane perpendicular to the cylindrical axis. Nested tori, as well as tori with shells that have finite thickness, were found. The parameter space of the solution shows that the tori exist within a bounded range of values.

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JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

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Extreme ultraviolet emission lines of Ni xii in laboratory and solar spectra

Abstract

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