\begin{table}%t1
  \caption{Log of the observations.}\label{tab_obs}
\small%\centerline
 {
\begin{tabular}{lccclccc}
\hline
\hline
Star        &  $\alpha$   & $\delta$     & \fuse\       &  Principal              & Total observing  & \fuse    & Published   \\
            & (2000)      & (2000)       & program      &  investigator $^{{(a)}}$ &  time (ks)       & aperture & data $^{{(b)}}$       \\
\hline
$\beta$ Pictoris & 05 47 17.09 & --51 03 59.45 & P219         & A. Vidal-Madjar          &  24.78         & LWRS      & (1)   \\ 
            &             &              & Q119         & M. Deleuil               &  34.50         & LWRS      &     \\ 
            &             &              & C132         & J.-C. Bouret             &  47.79         & LWRS      &      \\ 
HD~135344    & 15 15 48.44 & --37 09 16.03 & Q306         & A. Lecavelier des Etangs &  8.44          & LWRS      &     \\ 
HD~100453    & 11 33 05.57 & --54 19 28.54 & C126         & archives       &  11.79         & LWRS      &      \\ 
HD~36112     & 05 30 27.53 & +25 19 57.08 & Q319         & M. Deleuil               &  7.10          & LWRS      &     \\     
HD~104237    & 12 00 05.08 & --78 11 34.56 & P163         & archives   &  18.97         & LWRS      &     \\     
            &             &              & P263         & archives   &  20.84         & LWRS      &     \\   
HD~163296    & 17 56 21.29 & --21 57 21.88 & P219         & A. Vidal-Madjar          &  15.92         & LWRS      & (2)    \\
            &             &              & Q219         & A. Lecavelier des Etangs &  16.16         & LWRS      &     \\ 
NX~PUP      & 07 19 28.26 & --44 35 11.28 & Z906         & Observatory Program      &  17.80         & LWRS      &     \\   
AB~Aur      & 04 55 45.84 & +30 33 04.29 & P119         & A. Vidal-Madjar          &  13.66         & LWRS      & (3)  \\
            &             &              & P219         & A. Vidal-Madjar          &  15.55         & LWRS      &    \\ 
HD~141569    & 15 49 57.75 & --03 55 16.36 & Q319         & M. Deleuil               &  6.79          & LWRS      & (4)   \\
HD~100546    & 11 33 25.44 & --70 11 41.24 & P119         & A. Vidal-Madjar          &  10.35         & LWRS      & (5)  \\
            &             &              & P219         & A. Vidal-Madjar          &  11.94         & LWRS      &      \\ 
HD~109573    & 12 36 01.03 & --39 52 10.22 & B091         & archives       &  12.38         & LWRS      &    \\   
HD~176386    & 19 01 38.93 & --36 53 26.55 & P119         & A. Vidal-Madjar          &  14.98         & LWRS      &      \\
            &             &              & P219         & A. Vidal-Madjar          &  27.39         & LWRS      &     \\ 
HD~250550    & 06 01 59.99 & +16 30 56.73 & B038         & C. Catala                &  9.06          & LWRS      & (6)   \\
HD~85567     & 09 50 28.54 & --60 58 02.96 & Z906         & Observatory Program      &  7.06          & LWRS      &    \\
HD~259431    & 06 33 05.19 & +10 19 19.98 & B038         & C. Catala                &  16.68         & LWRS      & (6)    \\
HD~38087     & 05 43 00.57 & --02 18 45.37 & A063         & archives      &  31.12         & LWRS      &     \\
            &             &              & P116         & archives     &  4.00          & MDRS      &    \\
HD~76534     & 08 55 08.71 & --43 27 59.86 & B038         & C. Catala                &  5.71          & LWRS      & (7)   \\
\hline
\end{tabular}}
\medskip
$^{{(a)}}$ Most of the data were obtained by our Team (through guaranteed time and guest investigator observations). Some of the data are from the \fuse\ archives or from observatory
programs dedicated to instrument testing. \\
$^{{(b)}}$ Data already published. \\
References: (1) \cite{LECAV01}; (2) \cite{D05}; (3)  \cite{ROBERGE01}; (4) \cite{klr05}; (5) \cite{D04}; (6) \cite{JCB03}; (7) \cite{klr04}.
\end{table}