The structure, stability and flaring of solar coronal loops
Abstract
A review is given of recent progress in the theory of the magnetohydrodynamic behavior of coronal loops, beginning with a brief characterization of thy observations. The equilibrium magnetic field is described, along with the consequences of the empirical requirement for short-term, or infinite-conductivity, stability which is shown to be dominated by the end-effect influence of thy quasi-rigid photosphere. A new loop-flare model is then developed, which takes account of the finite loop length. The primary resistive-sausage-mode instability exhibits the necessary threshold behavior, and produces a number of spatially and energetically distinct flare-release manifestations.
- Publication:
-
Memorie della Societa Astronomica Italiana
- Pub Date:
- 1982
- Bibcode:
- 1982MmSAI..53..441V
- Keywords:
-
- Coronal Loops;
- Magnetohydrodynamic Stability;
- Solar Flares;
- Stellar Models;
- Toroidal Plasmas;
- Boundary Value Problems;
- Extreme Ultraviolet Radiation;
- Plasma Conductivity;
- Plasma Density;
- Plasma Temperature;
- Poloidal Flux;
- Solar Magnetic Field;
- Ultraviolet Astronomy;
- X Ray Astronomy;
- Solar Physics