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Table 1.
Mean velocities (km s−1), second central moments (km2 s−2), population fractions (relative to the subsample), and number of stars in terms of the sampling parameter P (km s−1) for optimal segregations.
| P | Pop. | n | U0 | V0 | W0 | μ200 | μ020 | μ002 | μ110 | μ101 | μ011 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |v| = 123 | t | 69% | –8.4 | –11.2 | –6.9 | 887.87 | 249.62 | 225.15 | 66.69 | –5.33 | 7.59 | |
| ⋆72859 | ±0.5 | 0.8 | 0.3 | 13.83 | 30.66 | 5.93 | 5.41 | 4.57 | 3.49 | |||
| T− | 31% | –11.3 | –38.4 | –9.0 | 1731.44 | 629.16 | 551.53 | 151.89 | 13.64 | –20.39 | ||
| ±1.0 | 1.3 | 0.7 | 28.15 | 67.30 | 12.34 | 10.37 | 8.82 | 6.74 | ||||
| |v| = 230 | t | 79% | –9.3 | –12.8 | –7.3 | 899.09 | 191.26 | 207.96 | 91.65 | –5.6 | 5.2 | |
| ⋆74153 | ±0.4 | 1.3 | 0.2 | 19.72 | 53.42 | 9.02 | 8.14 | 6.57 | 5.5 | |||
| T = T− + T+ | 21% | –12.1 | –51.9 | –9.0 | 2795.11 | 1138.25 | 989.07 | 204.42 | 28.96 | 3.03 | ||
| ±1.1 | 2.6 | 0.7 | 69.35 | 201.47 | 32.63 | 26.57 | 21.94 | 18.13 | ||||
| |v| = 350 | t + T− | 96% | –9.7 | –17.5 | –7.5 | 1111.01 | 348.54 | 299.15 | 112.51 | –0.26 | 7.5 | |
| ⋆74272 | ±0.2 | 3.8 | 0.2 | 17.24 | 65.35 | 6.29 | 8.75 | 5.63 | 5.71 | |||
| T+ + H− | 4% | –13.4 | –103.8 | –11.1 | 6250.16 | 1730.69 | 2193.22 | 231.09 | 43.28 | –2.43 | ||
| ±1.8 | 9.0 | 1.7 | 328.47 | 1439.42 | 119.95 | 143.54 | 95.18 | 97.97 | ||||
| |W| = 35 | t | 96% | –12.6 | –16.0 | –6.0 | 803.35 | 251.13 | 174.32 | 266.61 | –10.91 | 12.56 | |
| ⋆67513 | ±0.2 | 0.1 | 0.1 | 55.89 | 63.86 | 1.20 | 49.88 | 5.37 | 4.74 | |||
| T + H− | 4% | 51.0 | –99.9 | –0.2 | 6368.63 | 1356.51 | 367.29 | 2282.06 | –5.76 | 86.51 | ||
| ±0.5 | 0.6 | 0.5 | 37.05 | 73.03 | 5.46 | 40.46 | 8.28 | 6.81 | ||||
| |W| = 170 | D = t + T | 98% | –8.8 | –19.4 | –7.6 | 1084.12 | 429.29 | 335.40 | 28.20 | –5.44 | 10.53 | |
| ⋆74332 | ±3.9 | 6.9 | 0.2 | 38.42 | 71.41 | 4.90 | 41.89 | 7.54 | 6.16 | |||
| H | 2% | –99.0 | –180.7 | –12.7 | 16786.20 | 5503.28 | 4235.46 | –6134.47 | 102.11 | –29.81 | ||
| ±16.4 | 18.2 | 2.5 | 2894.86 | 5503.28 | 275.30 | 3213.48 | 492.94 | 329.74 | ||||
Notes. t = thin disc, T = thick disc (− for canonical, + for MWTD), D = total disc, H = halo (− for inner).
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