The Mass of a Solar Quiescent Prominence

Details The Mass of a Solar Quiescent Prominence The Mass of a Solar Quiescent Prominence

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003apj...594.1060l&link_type=abstract

The Astrophysical Journal, Volume 594, Issue 2, pp. 1060-1067.

Astronomy and Astrophysics

Astronomy

27

Magnetohydrodynamics: Mhd, Sun: Corona, Sun: Coronal Mass Ejections (Cmes), Sun: Prominences

Scientific paper

This paper follows up on our recent paper on the role of prominence mass in the storage of magnetic energy for driving a coronal mass ejection (CME). The previous paper erroneously rejected a set of sheet-prominence solutions, the recovery of which allows for a simple theoretical estimate of the mass of a quiescent prominence. For coronal fields of 5-10 G, these hydromagnetic solutions suggest that a prominence mass of (1-26)×1016 g is needed to hold detached magnetic fields of intensity comparable to the coronal fields in an unbounded atmosphere such that the global magnetic field is energetically able to spontaneously open up and still have enough energy to account for the kinetic and gravitational potential energies carried away in a CME. This simple result is discussed in relation to observed prominence magnetic field intensities, densities, and masses, pointing to the relevance of such observations to the question of magnetic energy storage in the solar corona.

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