\begin{table}%t2
 \caption{\label{kimmo2}Galaxy     model     disk    parameters.}
%\centerline
{
\begin{tabular}{lrrr}
\hline \hline 
{\rm Component} &  {\rm Thin ~ disk} &  {\rm Normal
~ disk}&  {\rm Thick ~ disk}                                                              \\
\hline
 Relative ~weight$^{{a}}$  &    0.155 &     0.600   &	    0.245\\
  $z$-scale ~ height$^{{b}}$  &    0.125  &    0.325    &  1.000\\
\hline
\end{tabular}}
\smallskip
$^{{a}}$    Relative    weights    sum    to    unity.\\
$^{{b}}$          At           $\Rsun$,          kpc.
\end{table}