\begin{table}%t3
%\centering
\par
  \caption{Observed and estimated parameters of HD~43691 and HD~132406.
  Some of the stellar parameters of HD~43691 were obtained from
   spectroscopic analysis while those of HD~132406 come from    calibrations of the ELODIE CCF.}
  \label{stellar_par}
\begin{tabular}{lccl}
\hline
\hline
\noalign{\smallskip}
              & HD~43691        & HD~132406       &		     \\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
Spectral type & G0~IV            & G0~V		    &		     \\
$V$           & 8.03             & 8.45 	    &		     \\
$B-V$         & 0.596            & 0.65 	    &		     \\
$\pi$         & 10.73 $\pm$ 1.16 & $14.09 \pm 0.77$ & [mas]	     \\
$M_V$         & 3.18             & 4.19 	    &		     \\
BC            & $-0.034$         & $-0.062$	    &		     \\
$T_{\rm eff}$ & $6200 \pm 40  $  & $5885 \pm 50   $ & [K]	     \\
$M_\star$     & $1.38 \pm 0.05$  & $1.09 \pm 0.05 $ & $M_{\odot}$    \\
{\it age}     & 2.0--3.6        & $6.4  \pm 0.8  $ & Gyr	     \\
log~$g$       & $4.28 \pm 0.13$  &	            &	         \\
$[$Fe/H$]$    & $0.28 \pm 0.05$  & $0.18 \pm 0.05$  &		     \\
$v\sin i$   & 4.7              & 1.7  	    & [km~s$^{-1}$] \\
\noalign{\smallskip}
\hline
\end{tabular}
\end{table}