\begin{table}%t1 \caption{\label{t1}VLTI/MIDI observing log for our program stars and their corresponding calibrators.} \par %\centering \par \begin{tabular}{ccccccc} \hline \hline Star & Obs. date & Time & \multicolumn{3}{c}{Baseline} & Calibrators\\ &&(UT)&B$_n$&$L$(m)& PA ($^\circ$)&(HD)\\ \hline $\kappa$ CMa&2008/12/14&02:33&&117.0&25.2&40808, 94452\\ $\delta$ Cen&2004/06/06&00:43&B$_2$&91.2&42.5&107446\\ &2008/12/13&08:27&B$_1$&129.2&27.7&40808, 94452\\ $\alpha$ Ara&2006/04/15&03:50&B$_1$&126.8&1.7&95272, 129456, 151249\\ &2006/04/16&07:49&B$_2$&129.6&54.4&151249, 163376\\ &2006/07/08&04:15&B$_3$&120.7&74.1&169916, 198048, 217902\\ & & & & && 218~594\\ p Car &2008/12/13&07:44&&129.5&40.8&40808, 94452\\ $\zeta$ Tau &2009/01/11&03:36&&127.3&67.9&49161, 50778\\ $\alpha$ Col&2008/12/13&05:17&&128.5&64.0&40808, 94452\\ $\beta$ CMi &2008/12/17&07:07&B$_1$&129.5&63.8&49161, 50778\\ &2009/01/11&04:44&B$_2$&125.3&64.5&49161, 50778\\ \hline \end{tabular} \end{table}