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Simulation of the observed coronal kink instability and its implications for the SDO/AIA
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Srivastava, A. K., Botha, G. J. J., Arber, T. D. and Kayshap, P. (2013) Simulation of the observed coronal kink instability and its implications for the SDO/AIA. Advances in space research, Volume 52 (Number 1). pp. 15-21. doi:10.1016/j.asr.2013.02.003 ISSN 0273-1177.
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Official URL: http://dx.doi.org/10.1016/j.asr.2013.02.003
Abstract
Srivastava et al. (2010) have observed a highly twisted coronal loop, which was anchored in AR10960 during the period 04:43 UT-04:52 UT on 4 June 2007. The loop length and radius are approximately 80 Mm and 4 Mm, with a twist of 11.5 π. These observations are used as initial conditions in a three dimensional nonlinear magnetohydrodynamic simulation with parallel thermal conduction included. The initial unstable equilibrium evolves into the kink instability, from which synthetic observables are generated for various high-temperature filters of SDO/AIA. These observables include temporal and spatial averaging to account for the resolution and exposure times of SDO/AIA images. Using the simulation results, we describe the implications of coronal kink instability as observables in SDO/AIA filters.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Advances in space research | ||||
Publisher: | Elsevier Science BV | ||||
ISSN: | 0273-1177 | ||||
Official Date: | July 2013 | ||||
Dates: |
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Volume: | Volume 52 | ||||
Number: | Number 1 | ||||
Page Range: | pp. 15-21 | ||||
DOI: | 10.1016/j.asr.2013.02.003 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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