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Table 6:

Correlation summary.

Parameter
# points # upper limits P(Cox Hazard) P(Kendall tau) P(Spearman rho) Slope Intercept
$\log L_{\rm X, 0.3-10, unabs}^a$ 60 24 0.016 0.055 0.059 0.50 $\pm$ 0.15 12.99
    only jetsa 12 2 0.015 0.027 0.037 0.77 $\pm$ 0.27 5.75
    without jetsa 50 22 0.011 0.043 0.056 0.51 $\pm$ 0.14 12.77
$\log L_{\rm X, 0.3-10, abs}$a 60 24 0.020 0.029 0.050 0.51 $\pm$ 0.17 13.02
    only jetsa 12 2 0.031 0.041 0.076 0.78 $\pm$ 0.26 5.84
    without jetsa 50 22 0.022 0.072 0.091 0.44 $\pm$ 0.18 15.06
$\log \dot{M}_{\rm acc}$ 36 9 0.273 0.037 0.046 0.35 $\pm$ 0.11 31.14
    only jets 12 2 0.789 0.782 0.637 0.28 $\pm$ 0.27 30.90
    without jets 24 7 0.181 0.639 0.717 -0.05 $\pm$ 0.07 27.70
$\log (\dot{M}_{\rm acc}L_{\rm X})$ 33 9 0.053 0.012 0.021 0.44 $\pm$ 0.10 18.59
    only jets 11 2 0.080 0.059 0.048 0.45 $\pm$ 0.16 18.51
    without jets 22 7 0.431 0.942 0.934 -0.02 $\pm$ 0.09 28.66
EW(H$\alpha$) 55 18 0.470 0.223 0.293 0.26 $\pm$ 0.18 27.82
    only jets 12 2 0.605 0.836 0.789 0.11 $\pm$ 0.55 28.63
    without jets 43 16 0.596 0.889 0.804 -0.04 $\pm$ 0.14 28.15
EW(O  It) 31 9 0.004 0.008 0.007 0.66 $\pm$ 0.17 28.37
EW(O  It)$L{_{\rm X}}$ 25 8 0.002 0.003 0.009 0.78 $\pm$ 0.15 5.01
EW(O  If) 17 4 0.091 0.139 0.137 0.35 $\pm$ 0.13 28.49
EW(O  If)$L{_{\rm X}}$ 16 4 0.121 0.118 0.140 0.45 $\pm$ 0.16 15.15
$\log L_{{\rm OI}_t}$ 28 8 0.015 0.025 0.034 0.42 $\pm$ 0.10 29.72
$\log (L_{{\rm OI}_t}L_{\rm X}$) 24 7 0.007 0.015 0.027 0.46 $\pm$ 0.10 16.47
$\log L_{{\rm OI}_f}$ 17 4 0.208 0.139 0.176 0.23 $\pm$ 0.09 29.41
$\log (L_{{\rm OI}_f}L_{\rm X}$) 16 4 0.179 0.118 0.137 0.33 $\pm$ 0.12 20.03
$\log \dot{M}_{\rm loss}$ 13 3 0.110 0.067 0.100 0.44 $\pm$ 0.14 32.06
$\log (\dot{M}_{\rm loss}L_{\rm X}$) 12 3 0.088 0.215 0.263 0.46 $\pm$ 0.13 18.48
$\log N_{\rm H}$ 64 24 0.206 0.157 0.192 0.28 $\pm$ 0.18 28.35
$\log (N_{\rm H}L_{\rm X})$a 60 24 0.051 0.104 0.126 0.27 $\pm$ 0.10 20.18

Notes. (a) Four high- $L_{\rm [Ne~II]}$ objects have not been considered for these correlations, namely T Tau S, DG Tau, EC 82, and Sz 102 (see text and figures for details). Sz 102 has not been considered in any of the correlations that involve $L{_{\rm X}}$.
The number of points (``# points'') includes upper limits, detailed in the column ``# upper limits''.
$L{_{\rm X}}$ refers to $L_{\rm X, 0.3{-}10, unabs}$. P is the probability that the correlation is obtained by chance. P values up to 5% and between 5% and 10% are printed in boldface and italics, respectively.


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