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Table 2

Summary of the selection of single star candidates for each cluster.

Cluster Ni Nf Offset σ
(m s−1) (m s−1)
IC 2714 8 8 59 179
IC 4651 8 7 289 149
IC 4756 13 12 194 126
Melotte 71 5 5 303 295
NGC 1662 – – – –
NGC 2204 6 3 29 234
NGC 2251 – – – –
NGC 2324 – – – –
NGC 2345 4 3 −529 312
NGC 2354 7 7 316 306
NGC 2355 – – – –
NGC 2477 3 3 161 267
NGC 2506 2 1 −12 –
NGC 2818 1 1 353 –
NGC 2925 2 2 10 260
NGC 2972 2 2 159 344
NGC 3114 7 6 141 206
NGC 3532 6 5 249 311
NGC 3680 6 5 132 288
NGC 3960 2 2 407 493
NGC 4349 3 3 280 121
NGC 5822 11 9 182 225
NGC 6067 3 2 258 312
NGC 6134 3 3 50 327
NGC 6208 2 2 148 94
NGC 6281 2 2 360 8
NGC 6425 2 2 26 151
NGC 6494 2 2 109 174
NGC 6633 4 4 228 70

Notes. Ni and Nf refer to the number of objects before and after the removal of binaries. Offset is the typical difference between HARPS and CORAVEL RVs, whereas σ is the dispersion of this difference, both given for each cluster after the removal of binaries (see text for more information).

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