\begin{table}%t2 \caption{Adopted age, spectral type range, \facc\ and \fIRAC\ (when available) in Figs.~\ref{fig:frac} and~\ref{fig:comparison}.} \label{tab:result} %\centerline { \begin{tabular}{llllllll} \hline\hline\noalign{\smallskip} Cluster & Age & Sp.T range & \facc & \fIRAC & Age ref. & \facc\ ref. & \fIRAC\ ref.\\ & [Myr] & &[\%] & [\%] & & &\\ \hline $rho$ Oph & 1 & K0--M4 & 50 $\pm$ 16 & & M05 & M05 & \\ Taurus & 1.5 & K0--M4 & 59 $\pm$ 9 & 62 & M05 & M05 & Ha05 \\ NGC 2068/71 & 2 & K1--M5 & 61 $\pm$ 9 & 70 & FM08 & FM08 & FM08 \\ Cha I & 2 & K0--M4 & 44 $\pm$ 8 & 52--64 & Lu08 & M05 & Lu08 \\ IC348 & 2.5 & K0--M4 & 33 $\pm$ 6 & 47 & L06 & M05 & L06 \\ NGC 6231 & 3 & K0--M3 & 15 $\pm$ 5 & & S07 & this work& \\ $\sigma$ Ori & 3 & K4--M5 & 30 $\pm$ 17 & 35 & C08 & this work& He07 \\ % Trumpler 37 & 3.5 & K0--M3 & 40 $\pm$ 5 & 47 & SA06 & SA06 & SA06 \\ Upper Sco & 5 & K0--M4 & 7 $\pm$ 2 & 19 & C06 & M05 & C06 \\ NGC 2362 & 5 & K1--M4 & 5 $\pm$ 5 & 19 & D07 & D07 & D07 \\ NGC 6531 & 7.5 & K4--M4 & 8 $\pm$ 5 & & P01 & this work& \\ $\eta$ Cha & 8 & K4--M4 & 27 $\pm$ 19 & 50 & S09 & JA06 & S09 \\ TWA & 8 & K3--M5 & 6 $\pm$ 6 & & D06 & JA06 & \\ NGC 2169 & 9 & K5--M6 & 0$^{+3}$ & & JE07 & JE07 & \\ 25 Ori & 10 & K2--M5 & 6 $\pm$ 2 & & B07 & B07 & \\ NGC 7160 & 10 & K0--M1 & 2 $\pm$ 2 & 4 & SA06 & SA05 & SA06 \\ ASCC 58 & 10 & K0--M5 & 0$^{+5}$ & & K05 & this work& \\ $\beta$ Pic & 12 & K6--M4 & 0$^{+13}$ & & ZS04 & JA06 & \\ NGC 2353 & 12 & K0--M4 & 0$^{+6}$ & & K05 & this work & \\ Collinder 65 & 25 & K0--M5 & 0$^{+7}$ & & K05 & this work & \\ Tuc-Hor & 27 & K1--M3 & 0$^{+8}$ & & ZS04 & JA06 & \\ NGC 6664 & 46 & K0--M1 & 0$^{+4}$ & & S82 & this work & \\ \hline \end{tabular}} \par \tablebib{%References: \citet[S82]{schimdt82}, \citet[P01]{park01}, \citet[Ha05]{hartmann05}, \citet[K05]{kharchenko05}, \citet[M05]{mohanty05}, \citet[SA05]{sicilia05}, \citet[C06]{carpenter06}, \citet[L06]{lada06}, \citet[JA06]{jay06}, \citet[SA06]{sicilia06}, \citet[D07]{dahm07}, \citet[B07]{briceno07}, \citet[JE07]{jeffries07}, \citet[He07]{hernandez07}, \citet[S07]{sana07}, \citet[C08]{caballero08}, \citet[FM08]{flaherty08}, \citet[L08]{luhman08}, \citet[S09]{sicilia09}, \citet[ZS04]{zs04}.} \vspace*{-2mm} \end{table}