Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
stellar classification
|
| gptkbp:alsoKnownAs |
gptkb:MKK_system
|
| gptkbp:basedOn |
stellar classification
luminosity class |
| gptkbp:developedBy |
gptkb:Philip_C._Keenan
gptkb:Edith_Kellman gptkb:William_Wilson_Morgan |
| gptkbp:focusesOn |
spectrometer
surface gravity of stars |
| https://www.w3.org/2000/01/rdf-schema#label |
Yerkes scheme
|
| gptkbp:introducedIn |
1943
|
| gptkbp:luminosity |
II
V VI III IV I VII |
| gptkbp:publishedIn |
gptkb:Yerkes_Observatory
|
| gptkbp:relatedTo |
gptkb:Harvard_spectral_classification
|
| gptkbp:significance |
distinguishes between giants and dwarfs
refined stellar classification |
| gptkbp:usedFor |
classification of stars
|
| gptkbp:bfsParent |
gptkb:Hubble_tuning_fork
|
| gptkbp:bfsLayer |
6
|