\begin{table}%t6
%\centering
\caption{\label{matchpar}Measured frame offsets and rotation angle between two epochs. All distances are given in mas.}
\small\begin{tabular}{lccc}
\hline\hline
Target             & RA offset    & Dec offset  & Rotation \\
                   & (mas)        & (mas)       & angle (deg)   \\
\hline
\rxzerohuit        & 156          &   --398      & --0.021    \\
\rxzeroquatre      & 248          &   132       & --0.034    \\
\rbsdouze          &  82          &   266       & --0.010    \\
\hline
\end{tabular}
\end{table}