\begin{table}%t2
%\centering
\par
\caption{\label{tab:vhh46}Observed radial velocities along the HH46-47 jet.}
%\centerline
 {
    \begin{tabular}[h]{cccc}
 \hline     \hline 
 \noalign{\smallskip}
Knot & \fe~1.644~\um~ & H$_2$~2.122~\um~ \\
     &     $v$(\kms)     & $v$(\kms) \\
\hline  
B8  &--177 &        \\
HH46-1  &--235&--20 \\
S &--213, (--138)& --15 \\
Z2  &+144, +92 &+26 \\
Z1  &+112 &+89, +10 \\
X &+94 &+93, +14  \\
Y3 & &+94 \\
Y2 & &+92 \\
Y1 & &+92 \\
\hline
   \end{tabular}}
\par
\tablefoot {Radial velocities corrected from a cloud velocity of +20~\kms\ (\citealt{hartigan93}) and with respect to
the LSR. The radial velocity error is 2~\kms.}
\end{table}