Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26a...273..642j&link_type=abstract
Astronomy and Astrophysics, Vol. 273, p. 642 (1993)
Astronomy and Astrophysics
Astrophysics
10
Magnetohydrodynamics, Plasmas, Sun: Oscillations, Sun: Prominences
Scientific paper
We investigate numerically the normal modes of oscillation of Menzel's (1951) two-dimensional, isothermal magneto static equilibrium model of a prominence, comparing its periods with those predicted from the magnetoacoustic modes of a non-gravitating, uniform, bounded medium. The periods of the fundamental magnetoacoustic modes are changed only slightly in the presence of stratification and field-line curvature. An order of magnitude estimate for these periods is thus provided by a simple slab-type model of a prominence.
Joarder Partha S.
Roberts Barney B.
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