\begin{table}%t2
\caption{Expansion velocities of Compact Symmetric Objects\label{TCOR_4} presented in the literature.}
\small%\centerline
{
\begin{tabular}{llccc}
 \hline\hline
 IAU Name & \multicolumn{1}{c}{$z$} & $v_{\rm exp}$ & No. of epochs & Ref. \\
          &                       & $h^{-1} c$ \\
 \hline
 0035+227       & 0.096  &$0.13 \pm 0.06$& 2 (1998--2001) & 1 \\
 0108+388       & 0.669  &$0.23 \pm 0.01$& 5 (1982--2000) & 1 \\
 0710+439       & 0.518  &$0.36 \pm 0.02$& 7 (1980--2000) & 1 \\
 1031+567       & 0.460  &$0.29 \pm 0.10$& 2 (1995--1999) & 2 \\
 OQ208          & 0.077  &$0.21 \pm 0.08$& 6 (1993--1997) & 3 \\
 1843+356       & 0.763  &$0.51 \pm 0.05$& 2 (1993--1997) & 1 \\
 1943+546       & 0.263  &$0.29 \pm 0.04$& 4 (1993--2000) & 1 \\
 2021+614       & 0.227  &$0.13 \pm 0.02$& 3 (1982--1998) & 4 \\
 2352+495       & 0.238  &$0.13 \pm 0.03$& 6 (1983--2000) & 1 \\
 J1111+1955     & 0.299  & $<$0.13       & 3 (1997--2002) & 5 \\
 J1414+4554     & 0.190  & $<$0.12       & 3 (1997--2002) & 5 \\
 1718-649       & 0.014  & $<$0.06       & 2 (1993--1999) & 6 \\
 J1734+0926     & 0.735  & $<$0.23       & 3 (1997--2002) & 5 \\
 1934-638       & 0.183  & $<$0.25       & 3 (1969--1988) & 7 \\
 \hline
\end{tabular}}
\smallskip
References: (1) Polatidis \& Conway (\cite{Polatidis03}); (2) Taylor et~al. (\cite{Taylor00}); (3)~Stanghellini et~al. (\cite{Stanghellini02}); (4) Tschager et~al. (\cite{Tschager00}); (5) Gugliucci et~al. (\cite{Gugliucci05}); (6) Tingay et~al. (\cite{Tingay02}); (7) Tzioumis et~al. (\cite{Tzioumis98}).
\end{table}