\begin{table}%t2
\caption{\label{calib}Main parameters of the calibrators.}
%\centering
\small
\begin{tabular}{c c c c c}
\hline
\hline
HD&	Spectral&	Flux &		Ang. diam.	& Telescope \\
number&	type&		$[$Jy$]$&	$[$mas$]$	&\\
\hline
124897&	K1.5III&	547&		19.26 $\pm$ 0.01& AT\\
142804&	M1III&		8.1&		2.77 $\pm$ 0.61&	UT\\
167618&	M3.5III&	149&		11.33 $\pm$ 0.04& AT\\
168454&	K3IIIa&		43.7&		5.78 $\pm$ 0.15& AT\\
169916& K1IIIb&		21.6&		3.75 $\pm$ 0.04& UT\\
175775&	G9II/III&	13.7&		3.26 $\pm$ 0.23&	UT\\
177716&	K1IIIb&		18.0&		3.72 $\pm$ 0.07& AT\\
\hline
\end{tabular}
\end{table}