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Table 11
Previous kinematical results based on studies of nearby late-type dwarfs.
| Study | Stellar | Sample | σ U | σ V | σ W | V a | ℓ v | Comments on sample selection |
| sample | size | (km s-1) | (km s-1) | (km s-1) | (km s-1) | (°) | ||
|
|
||||||||
| Wielen (1977) | All stars | 516 | 39 | 23 | 20 | MCC stars with HK data | ||
| ~ 0.3 Gyr | 18 | 10 | 8 | MCC stars with HK +8/+3 | ||||
| ~5 Gyr | 38 | 23 | 20 | MCC stars with HK 0 | ||||
| ~9 Gyr | 66 | 27 | 23 | MCC stars with HK –2/−5 | ||||
| Reid et al. (1995) | M-type | 368 | 39 | 26 | 23 | MCC M dwarfs in PMSU I survey | ||
| Reid et al. (1995) | Hα | 86 | 27 | 23 | 21 | CNS3 M dwarfs with Hα emission | ||
| Reid et al. (1995) | M-type | 514 | 43 | 31 | 25 | CNS3 M dwarfs within 25 pc | ||
| Ratnatunga & Upgren (1997) | Young disk | 30.6 | 18.5 | 12.4 | –7.4 | 11.7 | MCC stars (max. likelihood), | |
| Old disk | 54.0 | 35.9 | 31.3 | –23.0 | with pre-Hipparcos astrometry | |||
| Upgren et al. (1997) | Young disk | 30.2 | 17.3 | 11.9 | –8.2 | 9.7 | MCC stars (max. likelihood), | |
| Old disk | 56.1 | 34.2 | 31.2 | –28.3 | with post-Hipparcos astrometry | |||
| Reid et al. (2002) | dMe | 83 | 25.0 | 21.1 | 17.8 | CNS3 dMe in PMSU IV survey | ||
| dM+dMe | 436 | 37.9 | 26.1 | 20.5 | CNS3 dM+dMe in PMSU IV | |||
| Bochanski et al. (2005) | Active | 155 | 19 | 15 | 16 | M dwarfs within 100 pc | ||
| Bochanski et al. (2005) | Inactive | 419 | 35 | 21 | 22 | M dwarfs within 100 pc | ||
| Bochanski et al. (2007) | M-type | 70 | 28.4 | 21.3 | 19.2 | SDSS M dwarfs, | z | < 100 pc | ||
| Fuchs et al. (2009) | M-type | 48 075 | 32.4 | 23.0 | 18.1 | SDSS M dwarfs, | z | < 100 pc | ||
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