Stellar chromospheres
Abstract
Developments in the understanding and use of chromospheric diagnostics are discussed with emphasis on the following aspects: (1) trends emerging from semiempirical models of single stars; (2) the validity of claims that theoretical models of chromospheres are becoming realistic; (3) the correlation between the widths of Ca 2 H and K line emission cores and stellar absolute luminosity extending over 15 magnitudes (Wilson-Bappu relation); and (4) the existence of systematic flow patterns in stellar chromospheres.
- Publication:
-
NASA STI/Recon Technical Report N
- Pub Date:
- 1980
- Bibcode:
- 1980STIN...8111969L
- Keywords:
-
- Chromosphere;
- Line Spectra;
- Spectral Line Width;
- Stellar Models;
- Stellar Winds;
- Electron Density (Concentration);
- Emission Spectra;
- Flow Velocity;
- Giant Stars;
- Lyman Alpha Radiation;
- Plasma Diagnostics;
- Stellar Luminosity;
- Astrophysics