\begin{table}%t3
%\centering
\par
\caption{Setup of the spectroscopic observations.}\label{tab:setup}
\begin{tabular}{lcccc} 
\hline\hline
\noalign{\smallskip}
Parameter  & Run 1 &  Run 2 & Run 3 & Run 4\\
\noalign{\smallskip}
\hline 
\noalign{\smallskip}  
Date         & Jan 19--21, 2002 & May 16, 2002 & Oct 08, 2002 &  Oct 31--Nov 01, 2002 \\
Instrument   & TNG$+$DOLORES & NTT$+$EMMI & NTT$+$EMMI & MMT$+$Blue Channel\\ 
Grating/Grism& VPH \#9 1435 ${\rm gr\;mm}^{-1}$ & \#6 1200 ${\rm gr\;mm}^{-1}$ & 
  \#7 600 ${\rm gr\;mm}^{-1}$ & 1200 ${\rm gr\;mm}^{-1}$ \\ 
CCD          & $2048\times2048$ Loral & \#36 $2048\times2048$ Tek & $2048\times4096$ MIT/LL & \#22 $3072\times1024$ Loral \\
Pixel size   & $15\times15$ ${\rm \mu m}^2$ & $24\times24$ ${\rm \mu m}^2$ & 
  $15\times15$ ${\rm \mu m}^2$ & $15\times15$ ${\rm \mu m}^2$ \\
Scale        & ${\rm 0\farcs275\;pixel}^{-1}$ & ${\rm 0\farcs32\;pixel}^{-1}$ & 
  ${\rm 0\farcs332\;pixel}^{-1}$ & ${\rm 0\farcs30\;pixel}^{-1}$ \\ 
Dispersion   & ${\rm 0.34\;\AA\;pixel}^{-1}$ & ${\rm 0.32\;\AA\;pixel}^{-1}$ & 
  ${\rm 0.83\;\AA\;pixel}^{-1}$ & ${\rm 0.49\;\AA\;pixel}^{-1}$ \\ 
Slit width   & $1\farcs0$  &  $1\farcs0$ & $1\farcs0$  &  $1\farcs5$ \\ 
Wavelength range  & 6210--6870 \AA\ &  6400--7020 \AA\ & 5630--6970 \AA\  &   4455--5945 \AA\ \\
Instrumental {\it FWHM}  &  1.63 \AA\ & 1.12 \AA\ & 2.34 \AA\ &  2.02 \AA\ \\ 
Instrumental $\sigma^{ a}$  &  $32$ \kms\ & $22$ \kms\ & $45$ \kms\ &  $53$ \kms \\ 
Seeing {\it FWHM}  &  $1\farcs5$--$2\farcs0$ & $1\farcs8$ & $1\farcs3$ & $1\farcs8$--$2\farcs2$ \\ 
\hline 
\end{tabular}
$^{ a}$ At \ha\ in Run 1--3, and at \hb\ in Run 4.
\end{table}