Concept information
Preferred term
Ap stars
Definition
- Stars of spectral type A in which lines of ionized metals and rare-earth elements are abnormally enhanced. Such stars have unusually strong magnetic fields, thousands of times stronger than the Sun's typical surface field. Ap stars are generally slow rotators because of magnetic braking. (en)
Broader concept
- A stars (en)
- Chemically peculiar stars (en)
Narrower concepts
- Holmium stars (en)
- Manganese stars (en)
- Rapidly oscillating Ap star (en)
- Silicon stars (en)
Entry terms
- Ap-type stars (en)
- Peculiar A stars (en)
- Peculiar A-type stars (en)
URI
http://astrothesaurus.org/uat/50
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