Concept information
Preferred term
Hypergiant stars
Definition
- A high luminosity star with absolute visual magnitude around -10, about 10^6 times as luminous as the Sun. Hypergiant stars are evolved massive stars belonging to the luminosity class Ia+ or Ia0. Their spectra show very broadened emission and absorption lines resulting from the high luminosity and low surface gravity which favor strong stellar wind. (en)
Broader concept
- Evolved stars (en)
Narrower concepts
URI
http://astrothesaurus.org/uat/774
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