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Table 2

Statistics for RV and Na i, and probabilities P(F) of the variability F-tests for activity.

Star N bins Sel. σe(Vr)  ⟨ σi(Vr) ⟩   ⟨ Na   i ⟩  σe(Na   i)  ⟨ σi(Na   i) ⟩  P(F)
[m s-1] [m s-1]
Gl 1 5 Yes 0.58 0.71 0.104 0.0021 0.0013 0.18
Gl 176 7 No 2.7 0.94 0.188 0.0074 0.0044 0.12
Gl 205 6 No 2.9 0.82 0.179 0.0046 0.0029 0.16
Gl 273 6 Yes 1.5 0.49 0.075 0.0037 0.0016 0.042
Gl 382 5 No 2.1 2.2 0.196 0.0052 0.0027 0.12
Gl 393 5 No 1.6 0.71 0.146 0.0037 0.0023 0.18
Gl 433 6 Yes 1.2 0.71 0.141 0.0034 0.0011 0.011
Gl 436 8 Yes 0.43 0.52 0.100 0.0042 0.0012 0.0017
Gl 479 4 No 2.0 0.97 0.186 0.0040 0.0029 0.31
Gl 526 4 No 1.8 0.69 0.158 0.0035 0.0011 0.042
Gl 551 6 No 1.5 0.83 0.493 0.057 0.044 0.28
Gl 581 13 Yes 0.96 0.51 0.071 0.0026 0.0013 0.012
Gl 588 5 Yes 1.3 0.39 0.131 0.0059 0.0010 0.0025
Gl 667 C 8 Yes 0.73 0.61 0.096 0.0030 0.0014 0.031
Gl 674 5 No 2.3 0.73 0.138 0.0037 0.0029 0.32
Gl 680 6 No 5.9 0.93 0.146 0.0048 0.0022 0.059
Gl 699 5 No 1.5 0.61 0.059 0.0082 0.0027 0.027
Gl 832 5 Yes 0.30 0.66 0.132 0.0039 0.0015 0.047
Gl 849 6 Yes 0.29 0.77 0.124 0.0032 0.0013 0.032
Gl 876 6 No 2.3 1.8 0.081 0.0047 0.0017 0.020
Gl 877 5 Yes 2.7 1.3 0.106 0.0074 0.0020 0.014
Gl 887 4 No 1.6 1.1 0.173 0.0038 0.0014 0.062
Gl 908 9 Yes 1.2 0.55 0.131 0.0031 0.0014 0.020
HIP 12961 6 No 1.3 0.89 0.172 0.0028 0.0016 0.12
HIP 19394 7 No 5.3 2.0 0.094 0.0033 0.0019 0.096
HIP 38594 4 No 2.6 1.2 0.169 0.0058 0.0020 0.055
HIP 85647 6 Yes 1.5 1.3 0.145 0.0041 0.0017 0.039

Notes. All parameters were calculated for the data with 150 day bins.

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