\begin{table}%T1
\par
\caption{\label{table_exp1}Signal to noise ratio for covariance functions measured at $\alpha=0$, $\alpha=1.72$~arcsec and for de-correlated sub-fields ($\alpha > \phi$).} 
  %\centering
\par
  \begin{tabular}{rrrrrrrrrrrrr}
    \hline\hline
    \noalign{\smallskip}
    &$\alpha=0$&$\alpha=0$&$\alpha=1.72$&$\alpha=1.72$&$\alpha>\phi$&$\alpha>\phi$&  \\
   % \hline
Set&Long&Transv&Long&Transv&Long&Transv \\
    \hline
00:1&    25&    18&   156&   119&  8213&  4389 \\
03:0&    26&    18&   137&   102&  4375&  3058 \\
04:2&     4&     3&    25&    20&  3192&  5242 \\
07:3&    28&    19&   163&   116&  3541&  1315 \\
09:3&    24&    19&   131&    97&  1642&   650 \\
15:3&    77&    58&   310&   317&   927&  2426 \\
20:0&     2&     2&     5&     5&    11&     9 \\
22:1&    58&    42&   286&   199&  1347&   795 \\
\hline
  \end{tabular}
    \end{table}