The visible spectrum of quiescent prominences
Abstract
The paper reviews various attempts to derive plasma parameters, such as kinetic temperature, turbulent motions, electron density, effective thickness, and electron temperature, of quiescent prominences from data on their visible spectrum, and examines the central question of the co-existence of very different excitation components in the spectra. Theoretical explanations of this phenomenon include the existence of a thin hot skin coating the prominence region as a result of thermal conductivity effects, or different penetration of UV radiation.
- Publication:
-
Memorie della Societa Astronomica Italiana
- Pub Date:
- August 1975
- Bibcode:
- 1975MmSAI..46..293C
- Keywords:
-
- Light (Visible Radiation);
- Plasma Diagnostics;
- Solar Prominences;
- Solar Spectra;
- Electron Density (Concentration);
- Electron Energy;
- Far Ultraviolet Radiation;
- Photons;
- Plasma Temperature;
- Plasma Turbulence;
- Solar Radiation;
- Thermal Conductivity;
- Solar Physics