Morgan–Keenan classification
GPTKB entity
Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
stellar classification
|
| gptkbp:alsoKnownAs |
gptkb:MK_system
|
| gptkbp:appliesTo |
stars
|
| gptkbp:basisFor |
luminosity
spectral characteristics |
| gptkbp:class |
G
O A B F K M |
| gptkbp:developedBy |
gptkb:Philip_C._Keenan
gptkb:William_Wilson_Morgan |
| gptkbp:field |
gptkb:astronomy
|
| https://www.w3.org/2000/01/rdf-schema#label |
Morgan–Keenan classification
|
| gptkbp:introducedIn |
1943
|
| gptkbp:luminosity |
II
V III IV I |
| gptkbp:notableExample |
gptkb:Sun_(G2V)
|
| gptkbp:notation |
spectral type + luminosity class (e.g., G2V)
|
| gptkbp:predecessor |
gptkb:Harvard_spectral_classification
|
| gptkbp:usedFor |
classifying stars
|
| gptkbp:bfsParent |
gptkb:Harvard_spectral_classification
|
| gptkbp:bfsLayer |
6
|