Yerkes (Morgan) classification
GPTKB entity
Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
stellar classification
|
| gptkbp:alsoKnownAs |
gptkb:MKK_system
|
| gptkbp:basisFor |
stellar spectral classification
|
| gptkbp:class |
stars
|
| gptkbp:developedBy |
gptkb:Philip_C._Keenan
gptkb:Edith_Kellman gptkb:Yerkes_Observatory gptkb:William_Wilson_Morgan |
| https://www.w3.org/2000/01/rdf-schema#label |
Yerkes (Morgan) classification
|
| gptkbp:influenced |
modern stellar classification
|
| gptkbp:introducedIn |
1943
|
| gptkbp:luminosity |
I (supergiants)
II (bright giants) III (giants) IV (subgiants) V (main-sequence stars) VI (subdwarfs) VII (white dwarfs) |
| gptkbp:replacedBy |
gptkb:Harvard_spectral_classification
|
| gptkbp:uses |
stellar classification
luminosity class |
| gptkbp:bfsParent |
gptkb:Hubble_sequence
|
| gptkbp:bfsLayer |
5
|