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Coronal seismology using transverse loop oscillations

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Verwichte, E. (Erwin), Foullon, C. (Claire), Van Doorsselaere, Tom, Smith, H. M. (Hakan M.) and Nakariakov, V. M. (Valery M.). (2009) Coronal seismology using transverse loop oscillations. Plasma Physics and Controlled Fusion, Vol.51 (No.12). article no. 124019 . ISSN 0741-3335

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Abstract

Coronal seismology exploits the properties of magnetohydrodynamics in the corona of the Sun to diagnose the local plasma. Therefore, seismology complements direct diagnostic techniques, which suffer from line-of-sight integration or may not give access to all physical quantities. In particular, the seismological exploitation of fast magnetoacoustic oscillations in coronal loops provides information about the global magnetic and density structuring of those loops acting as wave guides. From the oscillation period and damping time it is shown how to obtain information about the local coronal magnetic field as well as the longitudinal and transverse structuring. Furthermore, such studies motivate the development of coronal wave theories, which are also relevant to the coronal heating problem.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Physics
Library of Congress Subject Headings (LCSH): Sun -- Loop prominences, Sun -- Corona -- Magnetic fields, Solar oscillations, Magnetohydrodynamics
Journal or Publication Title: Plasma Physics and Controlled Fusion
Publisher: Institute of Physics Publishing Ltd.
ISSN: 0741-3335
Official Date: December 2009
Volume: Vol.51
Number: No.12
Number of Pages: 7
Page Range: article no. 124019
Identification Number: 10.1088/0741-3335/51/12/124019
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Version or Related Resource: Van Doorsselaere, T., Nakariakov, V.M. and Verwichte, E. (2007). Coronal loop seismology using multiple transverse loop oscillation harmonics. Astronomy & Astrophysics, 473(3), pp. 959-966. ; Presented at: 36th European Physical Society Conference on Plasma Physics, Natl Palace Culture, Sofia, Bulgaria, June 29-July 03, 2009
Conference Paper Type: Paper
Type of Event: Conference
Related URLs:
URI: http://wrap.warwick.ac.uk/id/eprint/16918

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