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Table 1

Velocity ellipsoid as a function of age for the seven components of the thin disk in the standard Besançon galaxy model.

Subcomponent Age range σ U σ V σ W
Gyr km s-1 km s-1 km s-1

1 0.0.15 16.7 10.8 6.0
2 0.151. 19.8 12.8 8.0
3 1.2. 27.2 17.6 10.0
4 2.3. 30.2 19.5 13.2
5 3.5. 36.7 23.7 15.8
6 5.7. 43.1 27.8 17.4
7 7.10. 43.1 27.8 17.5

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