\begin{table}%t2
  \caption{\label{data_spec_alfosc_PC}$I$-band magnitude, H$\alpha$ emission, pseudocontinuum
	indices and spectral types from the NOT data.}     
        %\centerline
{
        \begin{tabular}{lccccccc}
            	\hline\hline
            	Name			 & $I$$^{{a}}$  & {\it pEW} (H$\alpha$)       	& PC1			& PC2			& PC3			& PC4			& Spectral type \\
                         & (mag)&     (\AA)    &         		&                    	&               	&               	&               \\
            	            	\hline
            	S~Ori~J053825.4$-$024241 & 16.86 $\pm$ 0.06 & $-$230 $\pm$ 70 		& 1.2 $\pm$ 0.6 	& 1.85 $\pm$ 0.17 	& 1.36 $\pm$ 0.13 	& 1.7 $\pm$ 0.3		& M6.0 $\pm$ 1.0 \\
S~Ori~J053954.3$-$023719 & 17.03 $\pm$ 0.04 & $-$5 $\pm$ 1    		& 1.8 $\pm$ 0.2 	& 2.0 $\pm$ 0.2 	& 1.34 $\pm$ 0.18 	& 1.64 $\pm$ 0.12	& M6.0 $\pm$ 1.0 \\
S~Ori~J053838.6$-$024157 & 16.52 $\pm$ 0.07 & $-$6 $\pm$ 1    		& 1.39 $\pm$ 0.14 	& 1.75 $\pm$ 0.18 	& 1.3 $\pm$ 0.3 	& 1.6 $\pm$ 0.2		& M5.5 $\pm$ 1.0 \\
S~Ori~J053826.1$-$024041 & 16.87 $\pm$ 0.06 & [$-$2,+2]$^{{b}}$ & 1.4 $\pm$ 0.4 	& 2.2 $\pm$ 0.5 	& 1.19 $\pm$ 0.18 	& 1.5 $\pm$ 0.3		& M5.0 $\pm$ 2.0$^{{c}}$ \\
           	            	\hline
         \end{tabular}}
         \smallskip
	$^{{a}}$ From B\'ejar et~al. (2004).\\
	$^{{b}}$ {\it pEW}(H$\alpha) = -4 \pm 2$~\AA ~(from
	Barrado y Navascu\'es et~al. 2003).\\
	$^{{c}}$ M6.0 spectral type matches better to the 
	spectroscopic cluster sequence.
	It is an M8-type binary dwarf according to Barrado y Navascu\'es et~al. (2003).
\end{table}