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Heating Diagnostics with MHD Waves

Taroyan, Y. and Erdelyi, R. (2009) Heating Diagnostics with MHD Waves. Space Science Reviews, 149 (1-4). pp. 229-254. ISSN 0038-6308

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Abstract

The heating of the solar atmosphere is a fundamental problem of modern solar and astrophysics. A review of the seismological aspects of magnetohydrodynamic (MHD) waves with an emphasis on standing longitudinal waves in the context of coronal heating is presented. Efforts made recently may be split into two categories: forward modelling and data inversion. Forward modelling can be applied to predict the observational footprints of various heating scenarios. A new diagnostic method based on the analysis of Doppler shift time series is outlined with specific application to solar coronal conditions. The power of the method is demonstrated and tested using synthetic data and comparing them with actual high-resolution (e.g. SoHO/SUMER) observations. Further, related recent examples of standing longitudinal oscillations in coronal loop structures observed with the new Hinode/EIS instrument are also presented. These latter observations provide an advanced ground for MHD seismology as a tool for plasma heating diagnostics in the atmosphere of the Sun.

Item Type: Article
Institution: The University of Sheffield
Academic Units: The University of Sheffield > Faculty of Science (Sheffield) > School of Mathematics and Statistics (Sheffield)
Depositing User: Mrs Megan Hobbs
Date Deposited: 16 Mar 2010 10:22
Last Modified: 07 Jun 2010 11:10
Published Version: http://dx.doi.org/10.1007/s11214-009-9506-9
Status: Published
Publisher: Springer
Identification Number: 10.1007/s11214-009-9506-9
URI: http://eprints.whiterose.ac.uk/id/eprint/10576

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