\begin{table}%t1
%\centering
\par
\caption{List of observed stars in the visible, with the values of the parameters
taken from the mean-values listed by Gray (\cite{Gra92}) and \mbox{Schmidt-Kaler}
(\cite{Sch82}) or from (1) Nordstr\"om et~al.\ (\cite{Nor04});
(2) Cayrel de Strobel et~al.\ (\cite{Cay01});  and (3) Barbuy \& Grenon (\cite{Bar90}).
In the last column, when no information is available on metallicity, a dash
replaces it. The quantity $\langle v\sin i\rangle $ is given in km~s$^{-1}$.\label{list_vis}}
\begin{tabular}{l c c l c l}
\hline\hline
Name & Spectral type & $\langle v\sin i\rangle$ & $T_{\rm eff}$(K) & log $g$ & [Fe/H] \\
\hline
HD 116608, HD 190785, HD 124320 & A1--3 V & $145$ & $8900$ & $4.2$ & -- \\
\& HD 221741& & & & & \\
HD 88815 & F2 V & $90$ & $7244^1$ & $4.3$ & $-0.13^1$ \\
HD 187691, HD 149890 & F8-9 V & $7$ & $6026^1$, $5902^1$ & $4.4$ & $0.07^2$, $-0.44^1$ \\
HD 121370 & rG0 IV & $5$ & $5957^1$ & $4.4$ & $+0.27^2$ \\
HD 38858 & G4 V & $3$ & $5636^1$ & $4.5$ & $-0.26^1$ \\
HD 161797 & rG5 IV & $3$ & $5700$ & $4.5$ & $+0.23^2$ \\
HD 149661, HD 151541, HD 33278, & G9K0 V & $2$ & $5176^1$, $5236^1$,
   $5300$, & $4.5$ & $0.01^1$, $-0.36^1$, -- \\
HD 23524, SAO~66004, SAO~84725 & & & $5200^1$, $5300$, $5300$& &  $-0.49^1$, --, --\\
HD 93800 & rK0 V & $2$ & $5250$ & $4.5$ & $+0.43^3$ \\
HD 39715 & rK3 V & $1$ & $4850$ & $4.6$ & $+0.33^3$ \\
HD 36395 & rM1 V & $1$ & $3850$ & $4.6$ & $+0.6^2$ \\
\hline
HD 15866, HD~25894, HD 2506 & G0--4 III & $10$ & $5500$ & $3.0$ & -- \\
HD 163993 & wG8 III & $3$ & $4950$ & $2.7$ & $-0.1^2$ \\
HD 72324 & G9 III & $3$ & $4900$ & $2.7$ & -- \\
HD 33506, HD~112989 & rG9K2 III & $2$ & $4700$ & $2.6$ & $+0.14^2$ \\
SAO~76803 & K2 III & $2$ & $4500$ & $2.5$ & -- \\
HD 181984 & rK2 III & $2$ & $4500$ & $2.5$ & $+0.1^2$\\
HD 176670 & rK3 III & $1$ & $4300$ & $2.2$ & $-0.03^2$ \\
HD 154733, HD 21110 & K4 III & $1$ & $4000$ & $2.0$ & $-0.14^2$, -- \\
\hline
\end{tabular}
\end{table}