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Home All issues Volume 497 / No 1 (April I 2009) A&A, 497 1 (2009) 209-242 Full HTML
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Table 4:

Summary data for 8 clusters within 250 pc.
Cluster $\alpha,\delta$ Diam. $\log({\rm Age})$ $V_{\rm R}$ $\mu_{\alpha,*}$ $\mu_\delta$ $\varpi$ DM Dist. Std
  degr. Stars E(B-V) (km s-1) (mas yr-1) (mas)   (pc) Rej.
Coma Ber 186.0 7 $.\!\!^\circ$5 8.78 -1.2 -11.75 -8.69 11.53 4.69 86.7 0.87
C1222+263 26.0 27 0.00   $\pm$0.27 $\pm$0.25 $\pm$0.12 $\pm$0.02 $\pm$0.9 0
Pleiades 56.5 8 $.\!\!^\circ$6 8.08 5.7 20.10 -45.39 8.32 5.40 120.2 1.45
C0344+239 24.1 53 0.04   $\pm$0.28 $\pm$0.27 $\pm$0.13 $\pm$0.03 $\pm$1.9 0
Praesepe 130.0 4 $.\!\!^\circ$5 8.90 33.6 -35.81 -12.85 5.49 6.30 181.5 1.29
C0937+201 19.7 24 0.01   $\pm$0.29 $\pm$0.24 $\pm$0.18 $\pm$0.07 $\pm$6.0 0
$\alpha $ Per 52.5 8 $.\!\!^\circ$0 7.55 -1.6 22.73 -26.51 5.80 6.18 172.4 1.28
C0318+484 49.0 50 0.09   $\pm$0.17 $\pm$0.17 $\pm$0.09 $\pm$0.03 $\pm$2.7 0
IC 2391 130.0 2 $.\!\!^\circ$0 7.88 19.0 -24.69 22.96 6.90 5.80 144.9 1.12
C0838-528 -53.1 11 0.01   $\pm$0.32 $\pm$0.31 $\pm$0.12 $\pm$0.04 $\pm$2.5 0
IC 2602 160.2 2 $.\!\!^\circ$9 7.83 16.0 -17.02 11.15 6.73 5.86 148.6 0.99
C1041-641 -64.4 15 0.03   $\pm$0.24 $\pm$0.23 $\pm$0.09 $\pm$0.03 $\pm$2.0 0
Blanco 1 1.1 2 $.\!\!^\circ$5 8.32 3.5 20.11 2.43 4.83 6.58 207.0 1.24
C0001-302 -30.1 13 0.01   $\pm$0.35 $\pm$0.25 $\pm$0.27 $\pm$0.12 $\pm$12.0 0
NGC 2451 115.3 2 $.\!\!^\circ$0 7.76 21.7 -21.41 15.61 5.45 6.32 183.5 1.42
C0743-378 -38.5 14 0.00   $\pm$0.28 $\pm$0.29 $\pm$0.11 $\pm$0.04 $\pm$3.7 0
The first column identifies the cluster; Cols. 2 to 4 provide external input data, such as reddening, radial velocity, position on the sky; Cols. 5 to 7 provide the data obtained in the current study for the astrometric parameters of each cluster; Cols. 8 and 9 provide the derived parameters of the distance and distance modulus; Col. 10 gives the solution statistics, the unit-weight standard deviation of the residuals and the percentage of rejected observations. There are always three observations per star.

Source LaTeX | All tables | In the text

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