\begin{table}%t1
%\centering
\par
\caption{\label{log}Spectroscopic observations.}        
\begin{tabular}{c c c c c c c c c c}
\hline\hline \noalign{\smallskip}      
Object  & $J$\tablefootmark{b}	      & Opt.    &  Instrument     & Date	& $T_{\rm exp}$\tablefootmark{d} & Airmass & $\Delta$airmass$_{\rm T-S}$ & $S/N$ & Near-IR          \\ 
&  (mag) & SpT\tablefootmark{c} &  &  & (min) & &                             &  & SpT\\                       
\hline\noalign{\smallskip} 	    
\object{PPl~1} & 15.36 $\pm$ 0.01  & M6.5    	&  NICS($JHK$)    & 2002 Oct. 31 & 8 $\times$ 2         & 1.08       & 0.14 & 50		 & M7.0 $\pm$ 0.5  \\				   
\object{Calar~3}     & 16.08 $\pm$ 0.01  & M8      	&  NICS($JHK$)    & 2002 Oct. 31 & 8 $\times$ 2         & 1.15       & 0.07 & 49		 & M8.0 $\pm$ 0.5  \\				   
\object{Teide~1}     & 16.21 $\pm$ 0.01  & M8      	&  NICS($JHK$)    & 2002 Nov. 27 & 8 $\times$ 2         & 1.03       & 0.73 & 32		 & M8.0 $\pm$ 0.5  \\				   
\object{BRB~17}      & 17.41 $\pm$ 0.03  & ...		&  LIRIS($zJ,HK$) & 2006 Dec. 28 & (12, 18) $\times$ 2  & 1.74, 1.41 & 0.44, 0.89 & 4, 6	 & L0.0 $\pm$ 1.0 \\                            
\object{PLIZ~28}     & 17.60 $\pm$ 0.04  & ...		&  NICS($JHK$)    & 2005 Nov. 20 & 15 $\times$ 2	     & 1.11       & 0.57 & 18		 & L0.0 $\pm$ 1.0 \\                            
\object{PLIZ~35}     & 18.07 $\pm$ 0.05  & ...		&  NICS($JHK$)    & 2005 Sep. 18 & 65 $\times$ 0.6      & 1.03       & $-$0.03 & 15	 & L2.0 $\pm$ 1.0 \\                                
\object{BRB~21}      & 18.14 $\pm$ 0.06  & ...		&  NICS($JHK$)    & 2005 Sep. 18 & 80 $\times$ 0.5	     & 1.21       & 0.15 & 7		 & L3.0 $\pm$ 1.0 \\                                
\object{BRB~23}      & 18.23 $\pm$ 0.04  & ...		&  NICS($JHK$)    & 2007 Feb. 7  & 10 $\times$ 5	     & 1.33       & $-$0.27 & 14	 & L3.5 $\pm$ 1.0 \\                                
\object{BRB~29}      & 18.69 $\pm$ 0.10  & ...		&  LIRIS($HK$)    & 2006 Dec. 29 & 12 $\times$ 2	     & 1.09       & $-$0.02 & 3		 & L4.5 $\pm$ 1.5 \\                                       
\hline	    
J0829\tablefootmark{a} & 12.80 $\pm$ 0.03  & L2V     	&  LIRIS($zJ,HK$) & 2006 Dec. 28 &(4, 6) $\times$ 1.5   & 1.38, 1.36 & 0.80, 0.94 & 29, 37& L2.0 $\pm$ 1.0  \\				       
\hline                  
\end{tabular}
\tablefoot{\tablefoottext{a}{\object{SSSPM~J0829$-$1309}.}
\tablefoottext{b}{From the Galactic Clusters Survey (GCS) component of UKIDSS
\citep[][sixth data release]{lawrence2007} for the Pleiades members and from
2MASS \citep{skrutskie2006} for the field object.} 
\tablefoottext{c}{From \citet{martin1996} for the three Pleiades objects and from \citet{scholz2002} and \citet{lodieu2005} for the field object.}
\tablefoottext{d}{Dithers  $\times$  detector integration time.} }
\vspace*{3mm}
\end{table}