\begin{table}%t1
%\centering
\par
\caption{Recent determinations of the angles between the ICRS and J2000.0.}
\label{tab1}
\begin{tabular}{lllll}
\hline\hline
Authors               & Method of  &$\Delta \epsilon_{0}$& $\Delta \psi$& $\Delta o$~$^a$\\
                      & observation& (mas)               & (mas)        & (mas)         \\
\hline
Chapront et~al. (2002)& LLR        & $-5.36\pm0.10$      &$-44.5\pm0.3$ & $55.42\pm0.11$\\
Mathews et~al. (2002) & VLBI       & $-6.8192$           & $-41.775$    & --            \\
\hline
\end{tabular}\\[2mm]
$^a$ {The angle $\Delta o$ is measured from the node of the ICRS with the mean ecliptic of J2000.0 to the origin of the ICRS. Thus, it has the opposite\protect sign from that published in Chapront et~al. (2002), which is measured in the opposite direction (see text for explanation).\qquad \ \ \qquad \ \ \ \ \ \ } 
\end{table}