\begin{table}%t2
%\centering
\par
\caption{Comparison of zero-points  of different kinds of apparent magnitude 
("default'', "Kron'' and "isophotal'') with the "total'' \mbox{magnitude}.
\label{comp}}
\begin{tabular}{llrrr}
\hline\hline
$X$-axis       & $Y$-axis      & $\langle X-Y \rangle$ &  $\sigma$ & $n$          \\
\hline
DENIS $I_{\rm t}$  & DENIS $I_{\rm d}$ & $-0.058$              &  $0.043$     & $93 \ 666$ \\
DENIS $I_{\rm t}$  & DENIS $I_{\rm k}$ & $-0.063$              &  $0.017$     & $91 \ 811$ \\
DENIS $I_{\rm t}$  & DENIS $I_{\rm s}$ & $-0.214$              &  $0.101$     & $81 \ 536$ \\
DENIS $J_{\rm t}$  & DENIS $J_{\rm d}$ & $-0.053$              &  $0.061$     & $49 \ 746$ \\
DENIS $J_{\rm t}$  & DENIS $J_{\rm k}$ & $-0.068$              &  $0.027$     & $49 \ 357$ \\
DENIS $J_{\rm t}$  & DENIS $J_{\rm s}$ & $-0.304$              &  $0.121$     & $39 \ 175$ \\
DENIS $K_{\rm t}$  & DENIS $K_{\rm d}$ & $-0.025$              &  $0.044$     & $19 \ 406$ \\
DENIS $K_{\rm t}$  & DENIS $K_{\rm k}$ & $-0.136$              &  $0.086$     & $20 \ 217$ \\
DENIS $K_{\rm t}$  & DENIS $K_{\rm s}$ & $-0.115$              &  $0.102$     & $ 9 \ 923$ \\
\hline
\end{tabular}
\end{table}