\begin{table}%t3
\caption{\label{table-average2}Model residual velocities  averaged on interval $T$~= 30$-$40.}
%\centering
\par
\begin{tabular}{lccccc}
  \hline \hline \noalign{\smallskip}
   Region  &  $\overline{V_R}$ & $\overline{\sigma_R}$ & $\overline{V_\theta}$ &$\overline{\sigma_\theta}$ &  $\overline{n}$\\
             & km s$^{-1}$  &  km s$^{-1}$ &  km s$^{-1}$&  km s$^{-1}$ &   \\
 \hline
Sagittarius & 10.2& 8.4& 1.8&6.9& 84\\
Carina      & 10.4& 8.7& 1.2&7.8&184\\
Cygnus      & --0.7& 9.9&10.8&5.4& 87\\
Local System& --1.0&11.6& 7.7&5.9& 90\\
Perseus     &--11.3& 9.7&--2.5&5.6& 83\\
\hline
\end{tabular}
\end{table}