Concept information
Preferred term
K stars
Definition
- An orange-red star of spectral type K with a surface temperature of about 3600-5000 K. The spectra of K stars are dominated by the H and K lines of calcium and lines of neutral iron and titanium, with molecular bands due to cyanogen (CN) and titanium dioxide (TiO). Examples are Arcturus and Aldebaran. (en)
Broader concept
- Late-type stars (en)
- Stellar spectral types (en)
Narrower concepts
- K dwarf stars (en)
- K giant stars (en)
- K subdwarf stars (en)
- K subgiant stars (en)
- K supergiant stars (en)
Entry terms
- Class K stars (en)
- K-type stars (en)
URI
http://astrothesaurus.org/uat/878
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