\begin{table}%t2
%\centering
\par
 \caption{\label{tab:calparam}Stellar and calibrator properties.}
  \begin{tabular}{c c c c c c}
   \hline
   \hline
   Star & $V$ & $K$ & $H$ & Sp. Type & Diameter \\
          &     &    &    &                 &   [mas]    \\
   \hline 
   HD 100546 & 6.7 & 5.4& 5.9& B9Vne & -- \\
   HD 101531 & 7.3 & 4.2 &4.3 & K1III& $0.6\pm0.1$ \\
   \hline
 \end{tabular}
\end{table}