Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
stellar classification
|
| gptkbp:can_be_progenitor_of |
gptkb:Type_Ia_supernova
|
| gptkbp:firstDescribed |
1939
|
| gptkbp:foundIn |
gptkb:Galactic_halo
gptkb:Globular_clusters Binary systems |
| gptkbp:has_color_index |
bluer than main-sequence star of same spectral type
|
| gptkbp:has_lower_luminosity_than |
gptkb:Main-sequence_star
|
| gptkbp:has_lower_metallicity_than |
gptkb:Main-sequence_star
|
| https://www.w3.org/2000/01/rdf-schema#label |
Subdwarf
|
| gptkbp:is_used_to_study |
Galactic structure
Stellar evolution Stellar populations |
| gptkbp:spectralType |
sdB
sdF sdG sdK sdM sdO |
| gptkbp:subclassOf |
gptkb:star
|
| gptkbp:was_first_described_by |
gptkb:Willem_Jacob_Luyten
|
| gptkbp:bfsParent |
gptkb:Stars
|
| gptkbp:bfsLayer |
5
|