\begin{table}%t1
%\centering
\par
\caption{\label{cals_table}Interferometric calibrators selected from \cite{merand05}.}
\begin{tabular}{cccc}
\hline \hline
       & Spectral &  $K$   &  UD diameter  \\
HD     & type     &  [mag] &  in $K$ band [mas] \\
\hline
147266 & G8III    & $3.8$  & $0.785 \pm 0.011$\\ %% HR 6087 uncert 2MASS: +-0.25
145457 & K0III    & $4.1$  & $0.693 \pm 0.009$\\ %% no HR, K=4.122\pm0.042 2MASS
108123 & K0III    & $3.7$  & $0.929 \pm 0.012$\\ %% HR 4725, uncert 2MASS: also +-0.25
\hline
\end{tabular}
\end{table}