Statements (30)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:stellar_classification
|
| gptkbp:alsoKnownAs |
gptkb:MK_system
|
| gptkbp:appliesTo |
stars in the Milky Way
|
| gptkbp:class |
gptkb:stellar_classification
luminosity class |
| gptkbp:developedBy |
gptkb:Philip_C._Keenan
gptkb:William_Wilson_Morgan |
| gptkbp:introducedIn |
1943
|
| gptkbp:luminosity |
II
V VI III IV I VII |
| gptkbp:notableFor |
two-dimensional classification
|
| gptkbp:predecessor |
gptkb:Harvard_spectral_classification
|
| gptkbp:relatedStandard |
MK standards
|
| gptkbp:relatedTo |
gptkb:Yerkes_spectral_classification
|
| gptkbp:spectralType |
G
O A B F K M |
| gptkbp:usedFor |
classifying stars
|
| gptkbp:bfsParent |
gptkb:M9_(star_designation)
|
| gptkbp:bfsLayer |
7
|
| http://www.w3.org/2000/01/rdf-schema#label |
Morgan–Keenan system
|