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Table 4
Comparison of numbers and RV uncertainties between RAVE, CRVAD-2, and the resulting common sample.
| Catalogues | OC sample | |||||
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| Entire | High- | RV | High-quality | Good RV | Best RV | |
| quality | sample | RV sample | members | members | ||
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| — RAVE — | ||||||
| No. of entries | 483 849 | 405 944 | 6402 | 4768 | 764 | 520 |
| No. of clusters | – | – | 244 | 217 | 120 | 105 |
| ϵRV in km s-1 | 1.18 | 1.11 | 1.23 | 1.00 | 1.73 | 3.03 |
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| — CRVAD-2 — | ||||||
| No. of entries | 54907 | – | 6782 | – | 1586 | 1092 |
| No. of clusters | 650 | – | 595 | – | 318 | 306 |
| ϵRV in km s-1 | 0.86 | – | 3.60 | – | 3.70 | 3.70 |
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| — common sample — | ||||||
| No. of entries | 2475 | 1774 | 531 | 262 | 51 | 32 |
| No. of clusters | – | – | 104 | 73 | 13 | 9 |
| ϵRVRAVE in km s-1 | 1.23 | 1.02 | 6.06 | 1.45 | 2.04 | 2.28 |
| ϵRVCRVAD−2 in km s-1 | 0.60 | 0.50 | 2.90 | 1.80 | 1.70 | 1.70 |
| σΔRV in km s-1 | 90.66 | 22.65 | 81.21 | 38.20 | 22.75 | 21.02 |
Notes. The ϵRV values are the median of the RV uncertainties and σΔRV correspond to the standard deviation of the difference distribution.
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