\begin{table}%T1 \caption{\label{si:objects}Object sample and stellar properties (X-ray luminosity $L_{\rm X}$, hardness $H$, spectral type, photosphere temperature $T_\star$ and stellar age) published in \citet{Guedel:2007}.} \small%\centerline { %\newcolumntype{+}{D{.}{.}{-1}} \begin{tabular}{lcl lcl} \hline \hline\noalign{\smallskip} Name & $L_{\rm X}$$^a$ & \multicolumn{1}{c}{$H${}$^b$}&\multicolumn{1}{c}{Spect$^c$\saveFN\Gub}&\multicolumn{1}{c}{$T_\star${}$^c$}&\multicolumn{1}{c}{Age$^d$\saveFN\Guc}\\ & [10$^{30}$~erg/s]&&&\multicolumn{1}{c}{[K]}&\multicolumn{1}{c}{[My]}\\ \hline 04187+1927 & 0.91 & 0.57 & M0 & 3850 & - \\ 04303+2240 & 4.99 & 0.76 & M0.5 & 3700 & 0.5 \\ 04385+2550 & 0.40 & 2.26 & M0 & 3850 & - \\ AA Tau & 1.24 & 1.98 & K7 & 4060 & 2.4 \\ BP Tau & 1.36 & 0.68 & K7 & 4060 & 1.9 \\ CI Tau & 0.19 & 1.62 & K7 & 4060 & 2.2 \\ CoKu Tau/3 & 5.83 & 0.68 & M1 & 3705 & 0.9 \\ CW Tau & 2.84 & - & K3 & 4730 & 7.0 \\ CY Tau & 0.13 & 0.46 & M1.5 & 3632 & 1.5 \\ CZ Tau & 0.42 & 0.43 & M3 & 3415 & 2.1 \\ DD Tau & 0.09 & 2.55 & M3 & 3412 & 4.5 \\ DK Tau & 0.91 & 0.75 & K7 & 4060 & 1.3 \\ DN Tau & 1.15 & 1.01 & M0 & 3850 & 1.1 \\ FM Tau & 0.53 & 1.34 & M0 & 3850 & 2.8 \\ FO Tau & 0.06 & 1.13 & M2 & 3556 & 1.5 \\ FQ Tau & 0.12 & 0.36 & M3 & 3416 & 2.8 \\ FS Tau & 3.21 & 0.73 & M0 & 3876 & 3.1 \\ FV Tau & 0.53 & 0.50 & K5 & 4395 & 4.8 \\ FX Tau & 0.50 & 0.52 & M1 & 3720 & 0.9 \\ FZ Tau & 0.64 & 0.87 & M0 & 3850 & 1.1 \\ GH Tau & 0.11 & 0.98 & M1.5 & 3631 & 2.0 \\ GI Tau & 0.83 & 0.90 & K7 & 4060 & 1.8 \\ GK Tau & 1.47 & 0.96 & K7 & 4060 & 1.2 \\ GN Tau & 0.78 & 1.18 & M2.5 & 3488 & 1.0 \\ GO Tau & 0.25 & 1.09 & M0 & 3850 & 3.8 \\ Haro 6-13 & 0.80 & 1.99 & M0 & 3800 & 0.6 \\ Haro 6-28 & 0.25 & 0.75 & M2 & 3556 & 10 \\ HK Tau & 0.08 & 4.19 & M0.5 & 3778 & 1.8 \\ HO Tau & 0.05 & 0.08 & M0.5 & 3778 & 9.1 \\ HP Tau & 2.54 & 1.02 & K3 & 4730 & 6.9 \\ IQ Tau & 0.41 & 1.17 & M0.5 & 3778 & 1.1 \\ IS Tau & 0.66 & 0.48 & K7 & 3999 & 4.2 \\ IT Tau & 6.47 & 2.05 & K2 & 4900 & 4.8 \\ MHO-3 & 0.46 & 1.26 & K7 & 4060 & 2 \\ RY Tau & 5.50 & 1.41 & K1 & 5080 & 2.1 \\ UZ Tau/e & 0.89 & 0.49 & M1 & 3705 & 2.3 \\ V410 Anon 13 & 0.01 & 0.68 & M5.8 & 3024 & - \\ V710 Tau & 1.37 & 0.76 & M0.5 & 3778 & 1.7 \\ V773 Tau & 9.46 & 1.08 & K2 & 4898 & 6.4 \\ V807 Tau & 1.05 & 0.52 & K7 & 3999 & 1.5 \\ V955 Tau & 1.62 & 0.46 & K5 & 4395 & 6.7 \\ XZ Tau & 0.96 & 1.05 & M2 & 3561 & 4.6 \\ \hline \end{tabular}} \smallskip $^a$ From Table 6 in \citet{Guedel:2007}.\\ $^b$ Hardness, see definition in Eq.~(\ref{si:hardness}).\\ $^c$ From Table 9 in \citet{Guedel:2007}.\\ $^d$ From Table 10 in \citet{Guedel:2007}. \end{table}