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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 . doi:10.1088/0741-3335/51/12/124019
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Official URL: http://dx.doi.org/10.1088/0741-3335/51/12/124019
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 | ||||
| Dates: |
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| Volume: | Vol.51 | ||||
| Number: | No.12 | ||||
| Number of Pages: | 7 | ||||
| Page Range: | article no. 124019 | ||||
| DOI: | 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: |
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