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Table 2.
Mean galactocentric velocities and their dispersions (in km s−1) for the three stellar populations.
| Galactic component |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Thin disc | −0.72 ± 0.6 | 31 | +233 ± 0.38 | 19 | −0.82 ± 0.3 | 15 | 0.03 | 0.018 | 4.13 | 4.00 | 4.81 |
| hαmr thick disc | 4.54 ± 2.7 | 38 | +216.7 ± 1.81 | 25 | −2.23 ± 1.46 | 20 | 0.06 | 0.09 | 7.36 | 8.55 | 9.57 |
| hαmp thick disc | +3.02 ± 1.85 | 47 | +194 ± 1.85 | 32 | +0.37 ± 1.7 | 30 | −0.34 | 0.19 | 7.60 | 9.17 | 10.94 |
Notes. The mean [Fe/H], [α/Fe] and age are also indicated.
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