\begin{table}%t1
\caption{\label{tab:parameters}Stellar parameters for the stars analyzed in the present paper.}
%\centering
\par
\begin{tabular}{lccc}
\hline\hline \noalign{\smallskip}
Parameter  			& \object{HD~5388}& \object{HD~181720}    & \object{HD~190984}\\
\hline
Spectral~type			& F6V		   & G1V		    & F8V\\
$m_v$				& 6.73		   & 7.84		    &8.76\\
$B-V$				& 0.500		   & 0.599		    & 0.579\\
Parallax [mas]			& 18.77 $\pm$ 0.96   & 17.88 $\pm$ 1.31	    & 9.8 $\pm$ 2.6\tablefootmark{\dagger} \\
Distance~[pc]			& 53 $\pm$ 3	   & 56 $\pm$ 4		    & 103$^{+37}_ {-21}$\tablefootmark{\dagger}\\
$M_v$				& 3.10		   & 4.10		    & 3.71 \\
$L [L_{\odot}]$			& 4.60		   & 1.94		    & 2.69 \\
Radius [$R_{\odot}$]		& 1.91		   & 1.39		    & 1.53\\
$\log{R'_{\rm HK}}$		& $-$4.98	   & $-$5.01		    & $-$5.01\\
$v~\sin{i}$~[km~s$^{-1}$]	& 4.2		   & 1.5		    &3.4\\
$T_{\rm eff}$~[K]  		& 6297 $\pm$ 32	   & 5781 $\pm$ 18	    &5988 $\pm$ 25\\
$\log{g}$			& 4.28 $\pm$ 0.06	   & 4.24 $\pm$ 0.15	    &4.02 $\pm$ 0.22\\
$\xi_{{\rm t}}$		& 1.57 $\pm$ 0.04	   & 1.17 $\pm$ 0.04	    &1.48 $\pm$ 0.03\\
${\rm [Fe/H]}$			& $-$0.27 $\pm$ 0.02 & $-$0.53 $\pm$ 0.02	    & $-$0.48 $\pm$ 0.06\\
Mass~$[M_{\odot}]$		& 1.21		   & 0.92		    & 0.91\\
\hline
\end{tabular}
\tablefoot {\tablefoottext{\dagger}{Derived in this paper (see text).}}
\end{table}