\begin{table}%t2 \caption{\label{table:observation-midisurvey}Overview of our observations with MIDI.} %\centerline {\small\begin{tabular}{lcccrrrrrl} \hline \hline Date & $UT$ & Object & $TP$ & $B$ [m] & PA [$^{\rm \circ}$]& $AM$ & Diameter [mas] & Ref. & Comments \\ \hline \noalign{\smallskip} Jan. $01^{\rm st}~2005$ & $2:30{-}2:59$ & DR~Tau & UT3-UT4 & $61$ & $106$ & $1.3$ & & & $\ast$, $\ast \ast \ast\ \ast$ \\ Jan. $01^{\rm st}~2005$ & $3:15{-}3:17$ & HD~31421 & UT3-UT4 & $60$ & $106$ & $1.3$ & $2.74\pm0.03$ & 1 & \\ Jan. $31^{\rm st}~2005$ & $3:56{-}3:58$ & HD~31421 & UT3-UT4 & $56$ & $104$ & $1.3$ & $2.74\pm0.03$ & 1 & \\ %\hline Mar. $01^{\rm st}~2005$ & $23:57{-}0:14$ & HD~31421 & UT3-UT4 & $56$ & $105$ & $1.3$ & $2.74\pm0.03$ & 1 & \\ Mar. $01^{\rm st}~2005$ & $0:21{-}0:35$ & GW~Ori & UT3-UT4 & $56$ & $105$ & $1.3$ & & & \smallskip\\ Mar. $03^{\rm rd}~2005$ & $0:02{-}0:13$ & HD~31421 & UT2-UT4 & $87$ & $79$ & $1.3$ & $2.74\pm0.03$ & 1 & \\ Mar. $03^{\rm rd}~2005$ & $0:28{-}0:45$ & GW~Ori & UT2-UT4 & $88$ & $79$ & $1.3$ & & & $\ast$ \\ %\hline Dec. $31^{\rm st}~2005$ & $4:19{-}4:39$ & HD~72106 & UT1-UT4 & $127$ & $41$ & $1.1$ & & & $\ast \ast$\\ Dec. $31^{\rm st}~2005$ & $4:53{-}4:56$ & HD~69142 & UT1-UT4 & $130$ & $48$ & $1.1$ & $2.18\pm0.18$ & 2 & \smallskip\\ Mar. $11^{\rm th}~2005$ & $0:29{-}1:01$ & HD~72106 & UT2-UT4 & $88$ & $71$ & $1.1$ & & & $\ast \ast$\\ Mar. $11^{\rm th}~2005$ & $1:08{-}1:27$ & HD~69142 & UT2-UT4 & $89$ & $78$ & $1.0$ & $2.18\pm0.18$ & 2 & \\ %\hline Aug. $26^{\rm st}~2005$ & $0:52{-}0:56$ & HD~152885 & UT2-UT4 & $84$ & $96$ & $1.1$ & $2.88\pm0.09$ & 2 & \\ Aug. $26^{\rm st}~2005$ & $1:55{-}2:25$ & RU~Lup & UT2-UT4 & $64$ & $122$ & $1.5$ & & & $\ast$ \\ Aug. $26^{\rm st}~2005$ & $2:38{-}2:40$ & HD~152885 & UT2-UT4 & $69$ & $116$ & $1.4$ & $2.88\pm0.09$ & 2 & \\ Aug. $26^{\rm st}~2005$ & $3:02{-}3:04$ & HD~178345 & UT2-UT4 & $84$ & $96$ & $1.1$ & $2.42\pm0.03$ & 2 & \\ Aug. $26^{\rm st}~2005$ & $4:48{-}4:50$ & HD~178345 & UT2-UT4 & $69$ & $116$ & $1.4$ & $2.42\pm0.03$ & 2 & \smallskip \\ May $15^{\rm th}~2006$ & $2:29{-}2:43$ & RU~Lup & UT2-UT3 & $46$ & $17$ & $1.2$ & & & \\ May $15^{\rm th}~2006$ & $4:51{-}5:03$ & HD~152820 & UT2-UT3 & $46$ & $13$ & $1.3$ & $2.63\pm0.15$ & 2 & \smallskip\\ May $25^{\rm th}~2005$ & $3:20{-}3:28$ & HD~152820 & UT3-UT4 & $55$ & $94$ & $1.1$ & $2.63\pm0.15$ & 2 & \\ May $25^{\rm st}~2005$ & $3:43{-}3:50$ & RU~Lup & UT3-UT4 & $61$ & $103$ & $1.0$ & & & \smallskip\\ May $25^{\rm st}~2005$ & $7:32{-}7:40$ & HD~152820 & UT3-UT4 & $58$ & $130$ & $1.1$ & $2.63\pm0.15$ & 2 & \\ May $25^{\rm th}~2005$ & $7:55{-} 8:02$ & RU~Lup & UT3-UT4 & $55$ & $149$ & $1.5$ & & & \\ %\hline Apr. $18^{\rm th}~2005$ & $4:11{-}4:18$ & HD~142804 & UT2-UT4 & $71$ & $66$ & $1.3$ & $2.80\pm0.08$ & 2 & \\ Apr. $18^{\rm th}~2005$ & $4:39{-}4:58$ & HBC~635 & UT2-UT4 & $75$ & $61$ & $1.2$ & & & \smallskip \\ Apr. $19^{\rm th}~2005$ & $3:19{-}4:33$ & HD~142804 & UT2-UT4 & $60$ & $58$ & $1.5$ & $2.80\pm0.08$ & 2 & \\ Apr. $19^{\rm th}~2005$ & $3:44{-}4:11$ & HBC~635 & UT2-UT4 & $66$ & $52$ & $1.4$ & & & $\ast$ \smallskip \\ Aug. $25^{\rm th}~2005$ & $23:19{-}23:21$ & HD~142804 & UT2-UT4 & $60$ & $116$ & $1.0$ & $2.80\pm0.08$ & 2 & \\ Aug. $25^{\rm th}~2005$ & $23:45{-}23:46$ & HD~142804 & UT2-UT4 & $58$ & $118$ & $1.0$ & $2.80\pm0.08$ & 2 & \\ Aug. $26^{\rm th}~2005$ & $0:08{-}0:27$ & HBC~635 & UT2-UT4 & $59$ & $121$ & $1.1$ & & & $\ast$ \\ %\hline May $31^{\rm st}~2005$ & $10:07{-}10:38$ & S~CrA~N & UT2-UT4 & $70$ & $109$ & $1.4$ & & & $\ast \ast \ast$ \\ May $31^{\rm st}~2005$ & $10:48{-}10:49$ & HD~178345 & UT2-UT4 & $66$ & $120$ & $1.5$ & $2.42\pm0.03$ & 1 & \smallskip\\ Jun. $28^{\rm th}~2005$ & $7:57{-}7:58$ & HD~178345 & UT3-UT4 & $59$ & $137$ & $1.2$ & $2.42\pm0.03$ & 1 & \\ Jun. $28^{\rm th}~2005$ & $8:17{-}8:39$ & S~CrA~N & UT3-UT4 & $56$ & $145$ & $1.4$ & & & \\ %\hline Aug. $26^{\rm th}~2005$ & $0:52{-}0:57$ & HD~152885 & UT2-UT4 & $84$ & $96$ & $1.1$ & $2.88\pm0.09$ & 2 & \\ Aug. $26^{\rm th}~2005$ & $2:38{-}2:40$ & HD~152885 & UT2-UT4 & $69$ & $116$ & $1.4$ & $2.88\pm0.09$ & 2 & \\ Aug. $26^{\rm th}~2005$ & $3:02{-}3:04$ & HD~178345 & UT2-UT4 & $84$ & $96$ & $1.1$ & $2.42\pm0.03$ & 1 & \\ Aug. $26^{\rm th}~2005$ & $4:04{-}4:35$ & S~CrA~S & UT2-UT4 & $72$ & $110$ & $1.3$ & & & $\ast$ \\ Aug. $26^{\rm th}~2005$ & $4:48{-}4:50$ & HD~178345 & UT2-UT4 & $69$ & $116$ & $1.4$ & $2.42\pm0.03$ & 1 & \\ \hline \end{tabular}} \medskip $\ast$ Bad weather conditions (not perfect beam overlap, noisy data); $\ast \ast$~data reduced using EWS package, only; $\ast \ast \ast$~results from MIA and EWS package are not consistent at short wavelength (deviation:~13\%); $\ast \ast \ast\ \ast$~results from MIA and EWS package are not consistent for the whole band (devation: 14\%). References: 1:~Cohen et~al. (\cite{cohenV}); 2:~MIDI consortium~(in prep). \end{table}