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Detection of waves in the solar corona : kink or Alfven?
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Doorsselaere, Tom, Nakariakov, V. M. (Valery M.) and Verwichte, E. (Erwin). (2008) Detection of waves in the solar corona : kink or Alfven? Astrophysical Journal Letters, Vol.676 (No.1). L73-L75. ISSN 2041-8213
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Official URL: http://dx.doi.org/10.1086/587029
Abstract
Recently, the omnipresence of waves has been discovered in the corona using the CoMP instrument. We demonstrate that the observational findings can be explained in terms of guided kink magnetoacoustic modes. The interpretation of the observations in terms of Alfven waves is shown to be inconsistent with MHD wave theory. The implications of the interpretation in terms of kink waves are discussed.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QB Astronomy |
| Divisions: | Faculty of Science > Physics |
| Library of Congress Subject Headings (LCSH): | Sun -- Corona, Magnetohydrodynamics, Solar oscillations |
| Journal or Publication Title: | Astrophysical Journal Letters |
| Publisher: | IOP Publishing Ltd |
| ISSN: | 2041-8213 |
| Date: | 20 March 2008 |
| Volume: | Vol.676 |
| Number: | No.1 |
| Number of Pages: | 3 |
| Page Range: | L73-L75 |
| Identification Number: | 10.1086/587029 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Funder: | Engineering and Physical Sciences Research Council (EPSRC), Science and Technology Facilities Council (Great Britain) (STFC) |
| References: | Andries, J., Goossens, M., Hollweg, J. V., Arregui, I., & Van Doorsselaere, T. 2005, A&A, 430, 1109 Aschwanden, M. J., De Pontieu, B., Schrijver, C. J., & Title, A. M. 2002, Sol. Phys., 206, 99 Aschwanden, M. J., Fletcher, L., Schrijver, C. J., & Alexander, D. 1999, ApJ, 520, 880 Cooper, F. C., Nakariakov, V. M., & Williams, D. R. 2003, A&A, 409, 325 De Pontieu, B., et al. 2007, Science, 318, 1574 Edwin, P. M., & Roberts, B. 1983, Sol. Phys., 88, 179 Heyvaerts, J., & Priest, E. R. 1983, A&A, 117, 220 Nakariakov, V. M., Ofman, L., DeLuca, E. E., Roberts, B., & Davila, J. M. 1999, Science, 285, 862 Nakariakov, V. M., & Verwichte, E. 2005, Living Rev. Sol. Phys., 2, 3 Ofman, L. 2002, ApJ, 568, L135 Okamoto, T. J., et al. 2007, Science, 318, 1577 Parker, E. N. 1991, ApJ, 376, 355 Ruderman, M. S. 2003, A&A, 409, 287 Tomczyk, S., et al. 2007, Science, 317, 1192 Van Doorsselaere, T., Andries, J., & Poedts, S. 2007, A&A, 471, 311 Van Doorsselaere, T., et al. 2004, A&A, 424, 1065 Verwichte, E., Nakariakov, V. M., & Cooper, F. C. 2005, A&A, 430, L65 Verwichte, E., et al. 2004, Sol. Phys., 223, 77 Williams, D. R. 2004, in Proc. SOHO 13: Waves, Oscillations, and Small- Scale Transient Events in the Solar Atmosphere, ed. H. Lacoste (ESA SP- 547; Noordwijk: ESA), 513 |
| URI: | http://wrap.warwick.ac.uk/id/eprint/30190 |
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