Concept information
Preferred term
K-type star
Definition(s)
- A K star is an orange-red star, of spectral type 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) becoming increasingly prominent at the cooler end of the range. K-type main sequence stars (that is, K-type dwarfs) are intermediate in size and temperature between M-type red dwarfs and Sun-like stars (type G), with a mass of 0.5 to 0.8 solar mass, a temperature of 3900 to 5200 K (3600 to 4900°C), and a luminosity 0.1 to 0.4 solar luminosity. (Encyclopedia of Science, by David Darling, https://www.daviddarling.info/encyclopedia/K/Kstar.html)
Broader concept(s)
Synonym(s)
- K star
In other languages
-
French
-
étoile K
URI
http://data.loterre.fr/ark:/67375/MDL-NQPQ9JM7-5
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