\begin{table}%t2 %\centering \par \caption{\label{tab:phaseerror}Allowed phase errors to reach a $10^5$ and $10^6$~rejection ratio for a three-beam multi-axial nulling interferometer depending on the numerical aperture.} \small \begin{tabular}{ccc} \hline\hline\noalign{\smallskip} $NA_{\rm{eff}}$&$\delta\phi (10^5)$&$\delta\phi (10^6)$\\ \hline 0.06 & 0.0095 & 0.003\\ 0.1 & 0.009 & / \\ 0.125 & 0.008 & / \\ 0.2 & 0.002 & / \\ \hline \end{tabular} \end{table}