\begin{table}%t1
%\centering
\par
  \caption {\label{tab1}Model properties and midplane $\alpha$-stresses inside
    ($\alpha_{\rm A}$) and outside ($\alpha_{\rm D}$) of the
    ionization threshold radius~$r_{\rm th}$.}
    \vspace*{-1.9mm}
{
\begin{tabular}{lccccccc}
\hline\hline
\noalign{\smallskip}
{\bf Model}  & {\bf Resolution } & $r_{\rm th}$[AU] & {\bf
  $\eta_{\rm A}$} & {\bf  $\eta_{\rm D}$} 
& {\bf $\alpha_{\rm A}$} & {\bf  $\alpha_{\rm D}$} & Time [years]\\
\hline
$M_{\rm IR}$  & [256:128:64] & 4.5 & $2\times 10^{-6}$ & $7\times 10^{-4}$ &
  $1.9 \times 10^{-3}$ & $1.0\times 10^{-3}$ & 880 \ \\
$M_{\rm IR/2}$  & [128:64:32]& 4.5 & $2\times 10^{-6}$ & $7\times 10^{-4}$ &
  $ 1.3\times 10^{-3}$ & $ 2.1 \times 10^{-4}$ & 960 \ \\
$M_{\rm ID}$  & [256:128:64] & 4.5& $2\times 10^{-6}$ & $0.016$
& $ 1.6 \times 10^{-3}$ & $ 2.9\times 10^{-4}$ & 650 \ \\
$M_{\rm IR6}$  & [256:128:64]& 6.5 & $2\times 10^{-6}$ & $7.10^{-4}$ &
  $2.9\times 10^{-3}$ & $1.6\times 10^{-3}$ & 1100 \\
$M_{\rm ideal}$ & [256:128:64]& none &  $2\times 10^{-6}$
&  $2. 10^{-6}$ & $5.4\times 10^{-3} $ & $5.4\times 10^{-3} $ & 682~* \\
\hline
\end{tabular}
}
\vspace*{-1.5mm}
\tablefoot{The mark `` * '' indicates that the steady-state has not been reached.}
\vspace*{-3mm}
\end{table}