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Table 2:

Segregation of populations$^{\dag }$ for HIPPARCOS and GCS samples.

Sample 		$\char93 S$ Pop. $\sigma_{U}$ $\sigma_{V}$ $\sigma_{W}$ U V W $\varepsilon~[^\circ]$
HIP 12 516 t $91.5\%$ $28.2 \pm 0.2$ $16.9 \pm 0.2$ $12.5 \pm 0.1$ $ -11.2 \pm 0.3$ $-14.7 \pm 0.2$ $-7.1 \pm 0.1$ $ 13 \pm 1$
  1003 T $7.3\%$ $69.3 \pm 1.3$ $37.9 \pm 0.9$ $42.9 \pm 0.9$ $ -7.1 \pm 2.2$ $-60.8 \pm 1.2$ $-9.7 \pm 1.4$ $ 4 \pm 2$
  159 H $1.2\%$ $179.6 \pm 7.8$ $89.0 \pm 6.3$ $ 90.8 \pm 6.0$ $-0.61 \pm 14.2$ $-234.9 \pm 7.0 $ $-10.8 \pm 7.2$ $-6 \pm 3$
GCS 12 415 t $93.8\%$ $29.7\pm 0.2$ $17.8\pm 0.2$ $13.9\pm 0.1$ $ -10.4\pm 0.3$ $-15.2\pm 0.2$ $-7.1 \pm 0.1$ $11\pm 1$
  763 T $5.7\%$ $65.7\pm 1.5$ $36.7\pm 1.1$ $41.5\pm 0.9$ $ -3.4\pm 2.4$ $-59.3\pm 1.3$ $-7.1\pm 1.5$ $5\pm 2$
  62 H $0.5\%$ $178.6\pm 12.2$ $113.7\pm 15.0$ $110.5\pm 14.2$ $1.6\pm 22.7$ $-230.8\pm 14.4$ $-16.4\pm 14.0$ $-5\pm 10$

Notes.  $^{(\dag )}$ The velocity dispersions are computed from the population sample moments and are obtained by segregating the whole sample according to the population distribution moments of Table 1.


Source LaTeX | All tables | In the text

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