Time damping of non-adiabatic magnetohydrodynamic waves in a partially ionized prominence plasma: effect of helium

Author： Soler R.   Oliver R.   Ballester J. L.  

Publisher： Edp Sciences

E-ISSN： 1432-0746|512|issue|A28-A28

ISSN： 0004-6361

Source： Astronomy & Astrophysics, Vol.512, Iss.issue, 2010-03, pp. : A28-A28

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Abstract

Context. Prominences are partially ionized, magnetized plasmas embedded in the solar corona. Damped oscillations and propagating waves are commonly observed. These oscillations have been interpreted in terms of magnetohydrodynamic (MHD) waves. Ion-neutral collisions and non-adiabatic effects (radiation losses and thermal conduction) have been proposed as damping mechanisms.

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