\begin{table}%t4
%\centering
\par
\caption{Initial values at J2000.0 used for computing
the precession of the equator.\label{tab4}}
\begin{tabular}{lcllllll}
\hline\hline
Source & $\epsilon_0$  & $\ \ \ H_{\rm d}$ &\ \ \  $(r_0)_1/\cos\epsilon_0$ &\ \ \  
$(u_0)_1/\cos\epsilon_0$ &\ \ $\psi_1$ &\ \  $\omega_1$ \\
\hline
       & $ 84~381''$    & $\times 10^3$ & in $''$/cy & in $''$/cy & in $''$/cy & in $''$/cy \\
\hline
\par
L77       &$.448$ &3.2739935  & 5494.3861~ &~~~0.0&5038.7784 & \ ~0.00   \\
\hline
W94       &$.409$ &3.2737634  & 5494.01083~ &$-$0.0291 &5038.456501 & $-$0.0244 \\
\hline
MHB         &$.410$&3.27379492&~~~~~~~ &~~~ &5038.478750 & $-$0.02524 \\
\hline
P03$_{\rm prel}$&$.406$&3.27379269 & 5494.059982~ ~&$-$0.030126&5038.478750 & $-$0.02524 \\
\hline
P03        &$.406$ &3.27379448& 5494.062986~ &$-$0.030686&5038.481507 & $-$0.02575 \\
\hline
\end{tabular}
%\vspace*{-1mm}
\end{table}