\begin{table}%t3
\caption{Same as Table~1 in the $V$-strip corresponding to the Sirius moving group, $-5 \le V$~(\kms)~$\le$ $8$, with $N_{\rm tot} = 1071$.}
\label{Tab:gaussian_si}
%\centering
\small
\begin{tabular}{llllllll}
\hline \hline
                  & background & Sirius       \\
\hline
&& \\[-8pt]
$\bar{U}$ (\kms)  & $-2$ & $5$  \\
$\sigma_U$ (\kms) & 33   & 5      \\
$k$               & 0.9  & 0.1   \\
$f_{s}$             &     & 0.35 \\
\hline  
\end{tabular}
\end{table}