\begin{table}%t2
\caption{\label{tab:calibrators}AMBER calibrator stars and their characteristics, including uniform disk (UD) diameters. }
%\centerline
 {
\begin{tabular}{lccccc}
  \hline\hline
  Star                & $V$ & $H$ & $K$ & Spectral & Adopted UD diameter\\
                      &   &   &   & Type     & [mas]\\
  \hline
  \object{HD~33833}  & 5.9 & 3.9 & 3.8 & G7III & $0.83 \pm 0.06$$^{a}$\\
  \object{HD~37128}  & 1.7 & 2.4 & 2.3 & B0I   & $0.86 \pm 0.16$$^{b}$\\
  \object{HD~41547}  & 5.9 & 5.1 & 5.0 & F4V   & $0.41 \pm 0.03$$^{a}$\\
  \object{HD~43023}  & 5.8 & 3.7 & 3.5 & G8III & $0.98 \pm 0.07$$^{a}$\\
  \object{HD~50281}  & 6.6 & 4.3 & 4.1 & K3V   & $0.77 \pm 0.10$$^{c}$\\
   \hline
\end{tabular}}
\par
\medskip
 {Notes}: $^{a}$ UD diameter computed with ASPRO \url{(http://www.jmmc.fr/aspro\_page.htm)}. $^{b}$ UD diameter taken from \citet{moz91}. $^{c}$ UD diameter taken from getCal tool \url{(http://mscweb.ipac.caltech.edu/gcWeb/)}.
\end{table}