\begin{table} %t5
%\centering
\par
\caption{Spectral indices  of ultracool brown dwarfs.\label{indices}}     
\begin{tabular}{lcccc} 
\hline   \hline  
Object       &Sp. Type&   H$_2$O--H  &      CH$_4$--H   &      NH$_3$--H\\ 
\hline
Gl570D& T7.5  &   0.208 &     0.137    &   0.672\\ 
2MASS0415& T8  &   0.183 &     0.104    &   0.625\\
WOLF940B&T8+/Y?   &   0.141  &    0.091  &     0.537\\ 
%CFBDSIR1458first-reduc&T8+/Y?   &   0.122  &    0.011  &     0.516\\ \hline
CFBDSIR1458 (1)&T8+/Y?   &   0.149  &    0.046  &     0.568\\ 
CFBDSIR1458 (2)&T8+/Y?   &   0.146  &    0.087  &     0.582\\ 
ULAS0034 & T8+/Y?  &  0.133    &  0.096   &    0.516\\ 
CFBDS0059& T8+/Y?   &  0.119   &   0.084    &   0.526\\ 
ULAS1335& T8+/Y?   &  0.114  &   0.077    &   0.564\\ 
\hline
\end{tabular}
\tablefoot{The 2 values for CFBDSIR1458 were
   derived 
  using a median-binning of the spectra over (1)  17 pixels (resolution
  $\sim$170); (2) 6 pixels (resolution 500). The other values are from \citet{Burgasser.2006,Warren.2007,Burningham.2008,Delorme.2008a,Burningham.2009}. }
\end{table}