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Table 1

Global correlation rates.

Selection FGK M
Ca−Hα Ca−Hα Ca−Na Na−Hα
C>0.5 31.1 54.2 60.5 54.8
C>0.3 42.6 67.8 76.3 71.2
C<−0.5 2.9 2.3 0.6 4.0
C<−0.3 8.8 4.5 1.7 7.9
C ≠ 0 (1σ) 81.9 89.3 92.7 94.4
C ≠ 0 (3σ) 55.8 79.7 75.7 85.3
|C| <0.2 36.3 18.1 13.6 14.1

Notes. Percentage of stars in different correlation (C) regimes for the sample of 441 FGK stars in Meunier et al. (2022) and for the 177 M stars in the present paper.

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