\begin{table}%t3
\caption{\label{irc_param}Physical parameters of the CMFGEN models for \irc.} 
%\centering
\par
\begin{tabular}{l c c c c c c r}
\hline
\hline
\multicolumn{7}{c}{spherical model} \\
\cline{1-7}
\hline\noalign{\smallskip}
log \lstar/\lsun & \teff  & \logg &  $\mdot$                  & \vinf    & $\beta$ &     He/H    \\
                 &   (K)  &       &  ($\msunyr$)              & ($\kms$) &         &   (number)  \\
\hline\noalign{\smallskip}
  5.78           &   9600 &  0.8  &  $1.7\times10^{-5}$       & 70       & 1.5     &     0.4 \\
\hline
\\
\hline
%\hline
\multicolumn{7}{c}{two-dimensional model} \\
\cline{1-7}
\hline\noalign{\smallskip}
Density distribution & $a$ & $b$ & i         & PA        & $\mdot$             & \\
                     &     &     & ($\degr$) & ($\degr$) & ($\msunyr$)         & \\ 
\hline\noalign{\smallskip}
Prolate              &  15 & 2   & 45        & 60        &  $3.5\times10^{-5}$   &\\
\hline
\end{tabular}
\end{table}