Theory of magnetic stars
Abstract
Fossil-field and dynamo theoretical models of early-type stars with magnetic fields detectable through the Zeeman effect are reviewed, and their predictions are compared with the observed properties. The emphasis is on the oblique-rotator models (Stibbs, 1950; Deutsch, 1958 and 1970; and Preston, 1970), and consideration is given to equilibrium and stability, the hydrodynamics of rotating stellar envelopes, magnetic braking in the oblique rotator, and changes in obliquity. It is found that the observational evidence often cited to support various aspects of the theories is usually ambiguous at best, and that many gaps between theory and observation remain to be explored.
- Publication:
-
Astronomische Nachrichten
- Pub Date:
- 1984
- DOI:
- 10.1002/asna.2113050606
- Bibcode:
- 1984AN....305..301M
- Keywords:
-
- Dynamo Theory;
- Early Stars;
- Magnetic Stars;
- Stellar Magnetic Fields;
- Stellar Models;
- Computational Astrophysics;
- Gravitational Fields;
- Magnetohydrodynamics;
- Peculiar Stars;
- Stellar Rotation;
- Stellar Spectra;
- Astrophysics