\begin{table}%t1 \caption{\label{table1}Journal of MIDI observations.} %\centerline {\small \begin{tabular}{cccccccccc} \hline\hline \noalign{\smallskip} Date of & Universal & Object & IRAS & \multicolumn{2}{c}{Proj.~baseline$^*$} &Airmass$^{**}$ & Acquisition & Interferometric & Photometric\\ observation& time & & [Jy] & [m] & [deg]& & frames & frames & frames\\ \noalign{\smallskip} \hline 31--10--2004 & 03:53 -- 04:06 & \object{HD 20644}&14.7 & 28.1 & 54.2 & 1.82 & $1000 \times 4$~ms & --$^{***}$ & $2\times 1500 \times 12$~ms \\ 31--10--2004 & 06:45 -- 06:59 & \object{HD 25604} & 5.1 & 42.0& 50.4 & 1.50 & $1000 \times 4$~ms & $10~000 \times 12$~ms & $2 \times 2000 \times 12$~ms \\ 31--10--2004 & 06:59 -- 07:22 & T~Tau~N &-- & 42.9 & 49.4 & 1.45 & $1000\times 4$~ms & $10~000 \times 12$~ms & $2 \times 2000 \times 12$~ms \\ 31--10--2004 & 07:22 -- 07:41 & T~Tau~S &-- & 43.9 &48.9 & 1.49 & $1000 \times 4$~ms & $10~000 \times 12$~ms & $2 \times 2000 \times 12$~ms \\ 31--10--2004 & 07:41 -- 08:10 & \object{HD 37160}& 6.5 & 43.5 &46.2 & 1.22 & $1000 \times 4$~ms & $10~000 \times 12$~ms & $2 \times 2000 \times 12$~ms\\ 31--10--2004 & 08:40 -- 09:08 & HD 37160& 6.5 & 45.8 & 46.7 & 1.31 & $1000 \times 4$~ms &$10~000\times 12$~ms & $2 \times 2000 \times 12$~ms \\ %\hline 02--11--2004 & 05:10 -- 05:36 & T~Tau~N &-- & 85.0 & 87.9 & 1.42 & $1000 \times 4$~ms & $16~000 \times 12$~ms & $2 \times 2500 \times 12$~ms \\ 02--11--2004 & 05:36 -- 06:10 & T~Tau~S &-- & 87.6 & 85.6 & 1.40 & $1000 \times 4$~ms & $16~000 \times 12$~ms & --$^{***}$ \\ 02--11--2004 & 06:10 -- 06:37 & \object{HD 31421}& 9.3 & 87.7 & 84.5 & 1.27 & $1000 \times 4$~ms & $16~000 \times 12$~ms & $2 \times 2500 \times 12$~ms \\ 02--11--2004 & 07:08 -- 07:41 & HD 37160 & 6.5 & 89.1 &\ 82.8 & 1.21 &$10~000 \times 4$~ms & $16~000 \times 12$~ms & $2 \times 2500 \times 12$~ms \\ 02--11--2004 & 08:09 -- 08:37 & \object{HD 50778} &17.3 & 88.6 &80.2 & 1.03 & $1000 \times 4$~ms & $16~000 \times 12$~ms & $2 \times 2500 \times 12$~ms \\ 02--11--2004 & 08:37 -- 09:03 & \object{HD 61935} & 7.1 & 87.2 & 79.6 & 1.05 & $1000 \times 4$~ms & $16~000 \times 12$~ms & $2\times2500\times12$~ms \\ %\hline 04--11--2004 & 00:01 -- 00:26 & \object{HD 178345} &\ \ 8.6 & 57.0 & 145.6 & 1.42 & $1000\times4$~ms & $20~000 \times 12$~ms & $2 \times 5000 \times 12$~ms \\ 04--11--2004 & 02:10 -- 02:47 & \object{HD 188603} & 11.4 & 45.5 & 168.6 & 2.47 & $1000 \times 4$~ms & -$^{***}$ & $2 \times 5000 \times 12$~ms \\ 04--11--2004 & 02:47 -- 03:54 & HD 25604 & 5.1 & 60.7 & 117.1 & 1.75 & $1000 \times 4$~ms & $16~000 \times 12$~ms & $2 \times 5000 \times 12$~ms \\ 04--11--2004 & 03:54 -- 04:36 & T~Tau~N &-- & 61.6 & 114.0 & 1.56 & $1000 \times 4$~ms & $16~000 \times 12$~ms & --$^{***}$ \\ 04--11--2004 & 04:36 -- 05:04 & T~Tau~S&-- & 62.3 & 111.4 & 1.47 & $1000 \times 4$~ms & $16~000 \times 12$~ms & $2 \times 5000\times12$~ms \\ 04--11--2004 & 05:04 -- 05:29 & HD 20644 & 14.7 & 59.0 & 101.5 & 1.69 & $1000 \times4$~ms & $12~000 \times 12$~ms & $2 \times 3000 \times 12$~ms \\ 04--11--2004& 07:18 -- 07:36 & HD 37160 &6.5 & 61.0 & 107.4 & 1.21& $1000 \times 4$~ms & $8000 \times 12$~ms & $2 \times 2000 \times 12$~ms \\ 04--11--2004 & 09:00 -- 09:23 & HD 50778 &17.3 & 61.0 & 112.6 & 1.04 & $1000 \times 4$~ms & $8000 \times 12$~ms & $2 \times 2000 \times 12$~ms \\ \hline \end{tabular}} \medskip $^*$ Determined for the fringe tracking sequence; $^{**}$ determined for the photometric measurements; $^{***}$ peculiar instrumental visibility or chopping problems. \end{table}