Magnetic dips and the physics of quiescent prominences

Details Magnetic dips and the physics of quiescent prominences Magnetic dips and the physics of quiescent prominences

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.506..389a&link_type=abstract

In: Solar variability: from core to outer frontiers. The 10th European Solar Physics Meeting, 9 - 14 September 2002, Prague, Cze

Physics

6

Solar Prominences: Theoretical Models, Magnetic Configurations

Scientific paper

This paper discusses the recent developments of prominence modelling. The basic aspect of our discussion is the presence of magnetic dips in all the models. We first show that "initial" dips are needed for prominence formation and stability. We then give some typical examples for different field configurations with dips. Next we discuss those dips which are required for prominence support. We present both 1D (slab) and 2D (thread) models. In addition the problem with the theoretical modelling of extended EUV filaments is described. Then we explain the difficulties with the observational confirmation of dipped structures. We also comment on a model which suggests that equilibria can be obtained for configurations without dips and finally we summarise the most relevant aspects.

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