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Bayesian Analysis of Multiple Harmonic Oscillations in the Solar Corona View all abstracts by submitter

Inigo Arregui   Submitted: 2013-02-15 02:00

The detection of multiple mode harmonic kink oscillations in coronal loops enables to obtain information on coronal density stratification and magnetic field expansion using seismology inversion techniques. The inference is based on the measurement of the period ratio between the fundamental mode and the first overtone and theoretical results for the period ratio under the hypotheses of coronal density stratification and magnetic field expansion of the wave guide. We present a Bayesian analysis of multiple mode harmonic oscillations for the inversion of the density scale height and magnetic flux tube expansion, under each of the hypotheses. Then, the two models are compared using a Bayesian model comparison scheme to assess how plausible each one is, given our current state of knowledge.

Authors: I. Arregui, A. Asensio Ramos, A. J. Diaz
Projects: None

Publication Status: accepted, ApJL
Last Modified: 2013-02-15 02:00
Go to main E-Print page  Electric Current Equilibrium in the Corona  Temporal variations of X-ray solar flare loops: length, corpulence, position, temperature, plasma pressure and spectra  Edit Entry  Download Preprint  Submitter's Homepage Delete Entry 

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