Table 6
Main properties of the nearby stellar kinematic groups or subgroups and the statistics of the member candidates identified or rediscovered in the sample of K–M dwarfs.
| Stelar kinematic group or subgroup | U | V | W | Age | Ref. | Age† | N |
| (km s-1) | (km s-1) | (km s-1) | (Myr) | (Myr) | |||
|
|
|||||||
| β Pictoris Moving Group | –10.1 ± 2.1 | –15.9 ± 0.8 | –9.2 ± 1.0 | ~10 | 1 | 12 | 4 |
| Subgroup 1–7 (Pleiades Supercluster / Local Association) | –11.1 ± 1.7 | –21.9 ± 3.0 | –6.0 ± 1.8 | ≳10 | 2 | 30 | 5 |
| IC 2391 Supercluster | –22.0 ± 0.3 | –14.4 ± 1.3 | –5.0 ± 1.3 | 40 | 1 | 40 | 4 |
| Subgroup B2 (Pleiades Supercluster / Local Association) | –10.7 ± 5.3 | –18.8 ± 3.7 | –5.6 ± 2.2 | 60 ± 20 | 3 | 60 | 3 |
| AB Doradus Moving Group | –6.8 ± 1.3 | –27.2 ± 1.2 | –13.3 ± 1.6 | 70 | 1 | 140 | 7 |
| Subgroup B4 (Pleiades Supercluster / Local Association) | –8.7 ± 4.8 | –26.4 ± 3.3 | –8.5 ± 4.7 | 150 ± 50 | 3, 4 | 150 | 4 |
| Subgroup 1–6 (Pleiades Supercluster / Local Association) | –13.1 ± 3.1 | –21.9 ± 3.3 | –7.1 ± 2.5 | ~10, ~1000 | 2 | 150 | 10 |
| Suspected subgroup 1 (Local Association?) | –10.8 ± 5.0 | –27.3 ± 1.1 | –3.1 ± 1.0 | 150 | 6 | ||
| Suspected subgroup 2 (Local Association?) | –25.4 ± 1.8 | –24.2 ± 1.4 | –6.3 ± 1.6 | 150 | 4 | ||
| Suspected subgroup 3 (Local Association?) | –20.3 ± 3.7 | –24.6 ± 1.5 | 1.2 ± 0.6 | 150 | 4 | ||
| Subgroup C4 (Castor Moving Group?) | –13.6 ± 5.2 | –6.1 ± 3.3 | –17.0 ± 2.0 | 190 ± 30 | 3 | 190 | 6 |
| Castor Moving Group | –10.6 ± 3.7 | –6.8 ± 2.3 | –9.4 ± 2.1 | 320 ± 80 | 5 | 320 | 7 |
| Subgroup C1 (Castor Moving Group?) | –13.4 ± 6.4 | –6.4 ± 3.7 | –3.3 ± 2.7 | 370 ± 190 | 3 | 320 | 6 |
| Ursa Major Moving Group / Sirius Supercluster | 14.5 ± 2.2 | 2.9 ± 1.7 | –8.6 ± 2.9 | 500 ± 100 | 6 | 500 | 9 |
| Subgroup A4 (Sirius Supercluster) | 1.7 ± 4.2 | 6.6 ± 2.0 | –15.9 ± 1.3 | 520 ± 80 | 3 | 500 | 8 |
| Subgroup 2–37 (Sirius Supercluster) | 12.4 ± 4.0 | 0.7 ± 4.6 | –7.7 ± 4.7 | ~600 | 2 | 500 | 5 |
| Suspected subgroup 4 (Sirius Supercluster?) | –5.1 ± 1.8 | 8.1 ± 1.1 | –3.8 ± 1.5 | 500 | 4 | ||
| Subgroup 2–25 (Hyades Supercluster) | –32.8 ± 2.8 | –11.8 ± 2.8 | –8.9 ± 2.9 | ~500, ~1000 | 2 | 500 | 6 |
| Subgroup 2–18 (Hyades Supercluster) | –33.0 ± 4.2 | –14.1 ± 4.0 | –5.1 ± 3.1 | ~500, ~1000 | 2 | 600 | 8 |
| Subgroup 2–10 (Hyades Supercluster) | –31.6 ± 2.8 | –15.8 ± 2.8 | 0.8 ± 2.7 | ~500, ~1000 | 2 | 600 | 4 |
| Subgroup D3 (Hyades Supercluster) | –43.1 ± 2.4 | –18.4 ± 2.7 | –9.2 ± 1.3 | ~660 | 3 | 600 | 4 |
| Hyades Supercluster | –39.7 | –17.7 | –2.4 | ~600 | 7 | 600 | 22 |
| Wolf 630 Moving Group ‡ | 18.8 | –33.4 | 10.9 | 2700 ± 500 | 8 | 2700 | 6 |
Notes. † Age adopted in the present paper for the estimation of the distance ΔD0 of member candidates from the center of their SKG at the time of SKG’s birth. ‡ For the Wolf 630 Moving Group, the velocities (U,V,W) are taken as the average for the multiple star system Wolf 630.
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