\begin{table}%t2
\caption{\label{tabcurv}Asymptotic values of the variances $\sigma_{j,k}$ of the curvelet \mbox{coefficients}.}
%%\centering

\par
\begin{tabular}{ccccc}
\hline \hline \noalign{\smallskip}
 $j$ & $l=1$ & $l=2$ & $l=3$ & $l=4$ \\
\hline
  1 & 1.74550 & 0.348175 & & \\
  2 & 0.230621 & 0.248233 & 0.196981 & \\
  3 & 0.0548140 & 0.0989918 & 0.219056 & \\
  4 & 0.0212912 & 0.0417454 & 0.0875663 & 0.20375 \\
  5 & 0.00989616 & 0.0158273 & 0.0352021 & 0.163248 \\
\hline
\end{tabular}
\end{table}