\begin{table}%T2
\caption{Calibrator star parameters, from the MIDI calibrator
catalogue (Van Boekel et~al. 2005).} \label{tab:calibrations}
%\centerline
{
\begin{tabular}{lcrc}
\hline \hline
Calibrator & Spectral &  Flux$^i$ & Uniform disk\\
           &  type    &   (Jy)& diameter (mas)\\
\hline
%
HD~139~997 &  K5~III &  14.5 &3.46~$\pm$~0.38\\
HD~152~786 &  K3~III &  82.2&  7.21~$\pm$~0.21\\
HD~165~135 &  K0~III & 16.3 &3.33~$\pm$~0.05\\
HD~168~454 &  K3~IIIa&43.7 & 5.78~$\pm$~0.15\\
%
\hline
\end{tabular}}
\medskip
$^{i}$ IRAS 12.5~$\mu$m flux.
\par
\end{table}