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Table 2
Some kinematic observables of the Galaxy are analytically related to the potential cases arising from the conditions of consistency for mixtures.
| Flat velocity distribution | ||||
| Observables | Axisymmetric general case |
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| Non-separable | Quasi-stationary | Separable, k1 ≠ k3 | ||
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| Velocity ellipsoid semiaxes |
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unconstrained | unconstrained | unconstrained |
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| Mean velocity differences |
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| Vertex deviation | ε = ε′ = ε″ = 0 | ε = ε′ = ε″ = 0 | ε ≠ 0;ε′ = ε″ = 0 | ε ≠ 0;ε′ = ε″ = 0 |
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| Tilt | δ = δ′ = δ″ | δ = δ′ = δ″ = 0 | δ = δ′ = δ″ = 0 | unconstrained |
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| sign(μϖz) | sign(z) | sign(z) | sign(z) | unconstrained |
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