\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}