Statements (23)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:star | 
| gptkbp:alsoKnownAs | sd stars | 
| gptkbp:color | bluer than main-sequence stars | 
| gptkbp:discoveredBy | gptkb:Willem_Luyten | 
| gptkbp:discoveredIn | 1939 | 
| gptkbp:evolutionaryStage | main-sequence | 
| gptkbp:example | gptkb:Kapteyn's_Star gptkb:HD_140283 gptkb:LHS_64 | 
| gptkbp:foundIn | gptkb:galaxy old stellar populations | 
| gptkbp:luminosity | lower than main-sequence stars | 
| gptkbp:mass | similar to main-sequence stars | 
| gptkbp:metallicity | low | 
| gptkbp:population | gptkb:Population_II | 
| gptkbp:spectralType | VI | 
| gptkbp:temperature | higher than main-sequence stars of same spectral type | 
| gptkbp:usedIn | studies of stellar evolution studies of galactic structure | 
| gptkbp:bfsParent | gptkb:PG_catalogue gptkb:Population_II_stars | 
| gptkbp:bfsLayer | 7 | 
| https://www.w3.org/2000/01/rdf-schema#label | subdwarfs |