\begin{table}%T2
\caption{Projected velocity dispersion measurements of NGC~1399 for a Gaussian distribution with a fixed number of clusters per bin ($\delta_i <60$~\kms, $N\approx 50$).}
%\centerline
 {\small
\begin{tabular}{lcccccccccc}
\hline\hline
%\noalign{\smallskip}
\multicolumn{1}{c}{Radial bin} &
\multicolumn{1}{c}{$\langle r\rangle$} &
\multicolumn{1}{c}{$\sigma_{\rm ML}$} &
\multicolumn{1}{c}{err${\_{\sigma}}_{\rm ML}$} &
\multicolumn{1}{c}{$\sigma_{\rm stat}$} &
\multicolumn{1}{c}{err${\_{\sigma}}_{\rm stat}$} &
\multicolumn{1}{c}{$s_3$} &
\multicolumn{1}{c}{err$\_{s_3}$} &
\multicolumn{1}{c}{$s_4$} &
\multicolumn{1}{c}{err$\_{s_4}$} &
\multicolumn{1}{c}{ $N$ }\\
\noalign{\smallskip}
\multicolumn{1}{c}{(arcmin)} &
\multicolumn{1}{c}{(arcmin)} &
\multicolumn{1}{c}{(\kms)} &
\multicolumn{1}{c}{(\kms)} &
\multicolumn{1}{c}{(\kms)} &
\multicolumn{1}{c}{(\kms)} &
\multicolumn{1}{c}{} &
\multicolumn{1}{c}{} &
\multicolumn{1}{c}{} &
\multicolumn{1}{c}{} &
\multicolumn{1}{c}{  } \\
\multicolumn{1}{c}{(1)} &
\multicolumn{1}{c}{(2)} &
\multicolumn{1}{c}{(3)} &
\multicolumn{1}{c}{(4)} &
\multicolumn{1}{c}{(5)} &
\multicolumn{1}{c}{(6)} &
\multicolumn{1}{c}{(7)} &
\multicolumn{1}{c}{(8)} &
\multicolumn{1}{c}{(9)} &
\multicolumn{1}{c}{(10)} &
\multicolumn{1}{c}{(11)} \\
\hline
%\noalign{\smallskip} 
$0.000<r<2.543$         & 1.27    & 230   & 24  & 234 &  23 &  0.54 &0.35 & 0.74 &0.48 & 50\\
$2.543\le r<3.240$      & 2.89    & 398   & 41  & 396 &  40 & --0.07 &0.35 &--0.23 &0.48 & 50\\
$3.240\le r<3.860$      & 3.55    & 379   & 40  & 373 &  37 &  0.90 &0.35 & 3.51 &0.48 & 50\\
$3.860\le r<4.880$      & 4.37    & 334   & 34  & 338 &  34 & --0.55 &0.35 & 0.41 &0.48 & 50\\
$4.880\le r<5.528$      & 5.20    & 342   & 36  & 346 &  35 & --0.21 &0.35 & 0.21 &0.48 & 50\\	  
$5.528\le r<6.214$      & 5.87    & 303   & 31  & 307 &  30 &  0.83 &0.34 & 2.17 &0.47 & 51\\
$6.214\le r<6.950$      & 6.58    & 291   & 30  & 297 &  30 & --0.60 &0.35 & 0.02 &0.48 & 50\\
$6.950\le r<7.690$      & 7.32    & 304   & 33  & 301 &  30 &  0.17 &0.35 & 1.42 &0.49 & 49\\
$7.690\le r<10.380$     & 9.04    & 352   & 38  & 358 &  38 & --0.03 &0.37 &--0.80 &0.53 & 45\\
\hline
\end{tabular}}
\par
\medskip
Notes: 
Column (1):  radial bin; 
Col. (2):  central point for a given bin;
Col. (3):  velocity dispersion for a Gaussian distribution; 
Col. (4):  formal errors for the velocity dispersion;
Col. (5):  velocity dispersion obtained using the standard statistical definition;
Col. (6):  formal errors for the velocity dispersion obtained using standard statistical definitions;
Col. (7):  $s_3$ parameter;
Col. (8):  formal errors for the $s_3$ parameter;
Col. (9):  $s_4$~parameter;
Col. (10):  formal errors for the $s_4$~parameter;
Col. (11):  number of clusters in a given bin.
\label{tab:table_2}
\end{table}