\begin{table}%t2
\caption{\label{tab:firparams}Parameters for the dust distribution (see text
for a detailed description of each parameter).}
\small%\centering
\par
\begin{tabular}{lll}
\hline\hline
Parameter      &     Units  & Value                   \\
\hline\noalign{\smallskip}
$\rho_{w}(0,0)$ & $\rm{gr~cm^{-3}}$ & $1.22\times10^{-27}$   \\
$h_w$           & $\rm{kpc}        $ & 3.3                   \\
$z_w$           & $\rm{kpc}        $ & 0.09                  \\
$\rho_{\rm c}(0,0)$ & $\rm{gr~cm^{-3}}$ & $1.51\times10^{-25}$   \\
$h_{\rm c}$           & $\rm{kpc}        $ & 5.0                   \\
$z_{\rm c}$           & $\rm{kpc}        $ & 0.1                   \\
$T_{\rm c}(0,0)$      & $\rm{K}     $ & 19.2                       \\
$h_T$           & $\rm{kpc}        $ & 48                    \\
$z_T$           & $\rm{kpc}        $ & 500                   \\
\hline
\end{tabular}
\end{table}