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Table B.6.

Proper motions relative to NGC 346 and proper-motion dispersions for the clusters NGC 346 and BS 90 and for the selected populations of pre-MS, MS, and RGB field stars.

ID δμα cos δ δμδ σμα cos δ σμδ N
[mas yr−1] [mas yr−1] [mas yr−1] [mas yr−1]
NGC 346 0.000±0.001 0.000±0.001 0.028 0.025 945
BS 90 −0.016±0.001 0.153±0.001 0.036 0.036 2220
pre-MS I −0.032±0.005 0.019±0.004 0.083 0.075 345
pre-MS II 0.004±0.004 0.007±0.004 0.045 0.044 162
MS I −0.024±0.002 0.005±0.002 0.059 0.062 2136
MS II 0.188±0.003 −0.034±0.004 0.079 0.088 582
RGB −0.031±0.003 0.024±0.008 0.084 0.089 713

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