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Table 8

Characteristic velocity dispersion (σU, σV, and σW) of the thin, thick disc, and halo for Eq. (9). Vasym is the asymmetric drift and X the fraction we chose.

σU σV σW Vasym X
(km s-1) %

Thin disc (thinD) 35 20 16  −15 94
Thick disc (thickD) 67 38 35  −46 6
Halo (H) 160 90 90  −220 0.15

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