Two-dimensional distributions of physical parameters in the prominence of 1984 March 23

Details Two-dimensional distributions of physical parameters in the prominence of 1984 March 23 Two-dimensional distributions of physical parameters in the prominence of 1984 March 23

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987acaps...7..133z&link_type=abstract

(Acta Astrophysica Sinica, vol. 7, 1987, p. 133-139) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 11, Sept. 1987, p

Astronomy and Astrophysics

Astrophysics

2

H Alpha Line, H Beta Line, Physical Properties, Solar Prominences, Spectral Energy Distribution, Stellar Models, Calcium, Gas Density, Hydrodynamic Equations, Hydrogen, Solar Magnetic Field, Solar Temperature

Scientific paper

Spectral lines of Hα, Hβ and Ca II K of a quiescent prominence are studied by means of the complete linearized method. The physical parameters (Te, υt, NH) are obtained for several points. It is shown: (1) near the axis of the prominence, kinetic temperature and hydrogen density decrease whereas microturbulent velocity increases with height; (2) kinetic temperature does not vary with height near the edge but increases from the center to the boundary; (3) hydrostatic equilibrium does not hold in prominences. Magnetic field plays an important role in the supporting of prominences.

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