Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
astronomical constant
|
| gptkbp:appliesTo |
gptkb:solar_neighborhood
|
| gptkbp:describes |
differential rotation of the Milky Way
|
| gptkbp:hasConstant |
gptkb:Oort_constant_A
gptkb:Oort_constant_B |
| gptkbp:hasUnit |
km/s/kpc
|
| https://www.w3.org/2000/01/rdf-schema#label |
Oort constants
|
| gptkbp:introducedIn |
1927
|
| gptkbp:namedAfter |
gptkb:Jan_Oort
|
| gptkbp:numberOfConstants |
2
|
| gptkbp:Oort_constant_A |
measures shear
|
| gptkbp:Oort_constant_A_typical_value |
~15 km/s/kpc
|
| gptkbp:Oort_constant_B |
measures vorticity
|
| gptkbp:Oort_constant_B_typical_value |
~-12 km/s/kpc
|
| gptkbp:relatedTo |
gptkb:Milky_Way_rotation_curve
|
| gptkbp:usedFor |
measuring local galactic rotation
|
| gptkbp:usedIn |
galactic astronomy
|
| gptkbp:bfsParent |
gptkb:Jan_Hendrik_Oort
gptkb:Jan_Oort |
| gptkbp:bfsLayer |
5
|