\begin{table}%t1
\caption{The spectrograph characteristics.}\label{Tab1}
%\centering
\par
\begin{tabular}{p{0.15\linewidth}ccccccccc}
\hline \hline
Telescope & Run & Spectrograph & Disp & Disp & ${\Delta\lambda}$ & CCD & Pix & Spat. scale & Slit \\
	    &	  &	       &  \AA/mm    &  \AA/pix & \AA   &    & ${\rm \mu m}$ & $''$/pix & arcsec \\
\hline
OHP/1.93    & 1998  & $CARELEC$ &  260  &  7.0  & 3600--7200 & $512    \times512~TEK$      & 27   & 1.17 & $300 \times 2.5$		       \\
OHP/1.93    & 1999  & $CARELEC$ &  133  &  1.8  & 3400--7000 & $2048   \times1024~EEV$     & 13.5 & 0.58 & $300 \times 2.5$		       \\
OHP/1.93    & 2000  & $CARELEC$ &  133  &  1.8  & 3400--7000 & $2048   \times1024~EEV$     & 13.5 & 0.58 & $300 \times 2.5$		       \\
OHP/1.93    & 2001  & $CARELEC$ &  133  &  1.8  & 3400--7000 & $2048   \times1024~EEV $    & 13.5 & 0.58 & $300 \times 2.5$		       \\
OHP/1.93    & 2002  & $CARELEC$ &  133  &  1.8  & 3400--7000 & $2048   \times1024~EEV $    & 13.5 & 0.58 & $300 \times 2.5$		       \\
OHP/1.93    & 2003  & $CARELEC$ &  133  &  1.8  & 3400--7000 & $2048   \times1024~EEV$     & 13.5 & 0.58 & $300 \times 2.5$		       \\
ESO/3.6(LD) & 2001  & $EFOSC2 $ &  135  &  4.0  & 3380--7520 & $2048  \times2048~LOR $     & 15    & 0.16 & $300 \times 1.5$		       \\
ESO/3.6(HD) & 2001  & $EFOSC2$  &  67   &  2.0  & 4700--6770 & $2048  \times2048~LOR$      & 15    & 0.16 & $300 \times 1.5$		       \\
ESO/3.6(LD) & 2002  & $EFOSC2$  &  135  &  4.0  & 3380--7520 & $2048  \times2048~LOR $     & 15    & 0.16 & $300 \times 1.5$		       \\
SPM/2.1     & 2002  & $Boller\&Chivens$	&  125  &  3.0  & 3900--7000 & $1024  \times1024~SITE3$	      & 24   & 0.96 & $300 \times 2.0$   \\
LOI/1.52    & 2003  & $BFOSC$   &  198  &  4.0  & 3600--8900 & $1300   \times1340~EEV$     & 20   & 0.58 & $300 \times 2.0$		       \\
\hline
\end{tabular}
\end{table}