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Comparison of damping mechanisms for transverse waves in coronal loops.

Affiliation: IAC, Ull

Co-authors: I. Arregui

Main category: Natural Sciences (Astronomy)

Damping of transverse waves in different solar coronal structures is a commonly observed property and a source of information about coronal conditions. Although resonant damping seems to be the most accepted mechanism for damping of transverse waves, there are other possible mechanisms. We have carried out a Bayesian analysis comparing three different models which could explain the damping in coronal loops. Our results indicate that resonant absorption is the most probable mechanism for low ratios between damping time and wave period, while the wave leakage mechanism is the best candidate for high ratios. Nonetheless, the evidence for one model against another shows a strong dependence on the data errors.

Language: English

DOI: 10.18147/smn.2017/poster:109

Conference: solarnet4

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