\begin{table}%t2
%\centering
\par
\caption{Relevant parameters of the calibrators.\label{calib_params}}
\begin{tabular}{llcclccrll}
\hline
\noalign{\smallskip}
Name & & $m_{V}$ & $m_{K}$ & Sp.~Type & $T_{{\rm eff}}$(K) & $\log g$ & $\pi$ (mas)$^{{a}}$& ${\theta_{\rm {LD}}}$(mas)$^{{b}}$ & ${\theta_{\rm {UD}}}$(mas)$^{{c}}$ \\
 \noalign{\smallskip}
\hline
\noalign{\smallskip}
$\chi$~Phe & \object{HD 12524} & 5.16 & 1.52 & K5III & 3780 & 1.9 & $8.76 \pm 0.64$ & $2.77 \pm 0.032$ & $2.69 \pm 0.031$\\
39~Eri~A & \object{HD 26846} & 4.90 & 2.25 & K3III & 4210 & 2.2 & $15.80 \pm 0.95$ & $1.79 \pm 0.031^{*}$ & $1.74 \pm 0.030^{*}$ \\
$\epsilon$~Ret & \object{HD 27442} & 4.44 & 1.97 & K2IVa & 4460 & 2.3 & $54.84 \pm 0.50$ & $1.95\pm 0.049$ & $1.90 \pm 0.048$ \\
HR~2533 & \object{HD 49968} & 5.69 & 2.10 & K5III & 3780 & 1.9 & $6.36 \pm 0.92$ & $1.93 \pm 0.020$ & $1.87 \pm 0.019$ \\
HR~2549 & \object{HD 50235} & 5.00 & 1.39 & K5III & 3780 & 1.9 & $3.60 \pm 0.56$ & $2.25 \pm 0.036$ & $2.18 \pm 0.035$ \\
$\gamma^2$~Vol & \object{HD 55865} & 3.77 & 1.52 & K0III & 4720 & 2.6 & $23.02 \pm 0.69$ & $2.50 \pm 0.060$ & $2.44 \pm 0.059$ \\
6~Pup & \object{HD 63697} & 5.18 & 2.62 & K3III & 4210 & 2.2 & $12.87 \pm 0.71$ & $1.88 \pm 0.039$ & $1.83 \pm 0.038$\\
HR~3046 & \object{HD 63744} & 4.70 & 2.31 & K0III & 4720 & 2.6 & $14.36 \pm 0.48$ & $1.67 \pm 0.025$ & $1.63 \pm 0.024$ \\
HR~4050 & \object{HD 89388} & 3.38 & 0.60 & K3IIa & 4335 & 2.3 & 4.43 $\pm$ 0.49 & $5.32 \pm 0.050^{*}$ & $5.18 \pm 0.048^{*}$\\
HR~4080 & \object{HD 89998} & 4.83 & 2.40 & K1III & 4580 & 2.5 & $16.26 \pm 0.56$ & $1.72 \pm 0.020$ & $1.68 \pm 0.019$ \\
HR~4526 & \object{HD 102461} & 5.44 & 1.77 & K5III & 3780 & 1.9 & $3.97 \pm 0.61$ & $3.03 \pm 0.034$ & $2.94 \pm 0.033$ \\
HR~4546 & \object{HD 102964} & 4.47 & 1.56 & K3III & 4210 & 2.2 & $7.03 \pm 0.72$ & $2.48 \pm 0.036^{*}$ & $2.41 \pm 0.035^{*}$\\
HR~4831 & \object{HD 110458} & 4.67 & 2.28 & K0III & 4720 & 2.6 & $17.31 \pm 0.65$ & $1.70 \pm 0.018$ & $1.66 \pm 0.018$\\
$\chi$~Sco & \object{HD 145897} & 5.25 & 1.60 & K3III & 4210 & 2.2 & $7.43 \pm 0.91$ & $2.10 \pm 0.023$ & $2.04 \pm 0.022$ \\
70~Aql & \object{HD 196321} & 4.90 & 1.21 & K5II & 3780 & 1.9 & $1.48 \pm 0.91$ & $3.27 \pm 0.037$ & $3.17 \pm 0.036$ \\
7~Aqr & \object{HD 199345} & 5.50 & 2.00 & K5III & 3780 & 1.9 & $5.42 \pm 0.99$ & $2.14 \pm 0.024$ & $2.08 \pm 0.023$ \\
$\epsilon$~Ind & \object{HD 209100} & 4.69 & 2.18 & K4.5V & 4580 & 4.5 & $275.79 \pm 0.69$ & $1.89 \pm 0.051^{*}$ & $1.84 \pm 0.050^{*}$\\
$\lambda$~Gru & \object{HD 209688} & 4.48 & 1.68 & K3III & 4210 & 2.2 & $13.20 \pm 0.78$ & $2.71 \pm 0.030$ & $2.64 \pm 0.029$ \\
HR~8685 & \object{HD 216149} & 5.41 & 1.60 & M0III & 3660 & 1.4 & $2.95 \pm 0.69$ & $2.07 \pm 0.021$ & $2.01 \pm 0.020$ \\
\hline
\end{tabular}
\begin{list}{}{}
\item[$^{a}$] Parallaxes from the {\sc Hipparcos} catalogue (Perryman et~al.~\cite{hip}).
\item[$^{b}$] Catalogue values from Cohen et~al.~(\cite{cohen99}), except for $\epsilon$~Ind, HR~4050, HR~4546 and 39~Eri~A.
\item[$^{c}$] Linear limb darkening coefficients factors from Claret et~al.~(\cite{claret95}).
\item[$^*$] The angular diameters of $\epsilon$~Ind, HR~4050, HR~4546 and 39~Eri~A
have been measured separately with VINCI.
\end{list}
\end{table}