\begin{table}%t2
%\centering
\par
\caption {\label{tab:SN}S/N per resolution element measured within a few {\AA}ngstr{\"o}m around the listed wavelength.} 
\begin{tabular}{l c c c c c c} 
\hline\hline 
\noalign{\smallskip}
Star & LiF:1A & 2A  & 1B & 2B & SiC & STIS \\ 
 & \hspace{-10mm}$\lambda$[{\AA}]= 1047 & 1148 & 1148 & 1047 & 980 & 1605 \\ 
\hline 
\eleven & 97 & 74 & 66 & 71 & 55 & -- \\ 
\new & 88 & 68 & 60 & 58 & 44 & -- \\ 
\seven & 42 & 41 & 35 & 26 & 17 & 17 \\ 
\six & 62 & 55 & 48 & 30 & 16 & 17 \\ 
\four & 57 & 50 & 42 & 35 & 31 & 21 \\ 
\one & 44 & 52 & 40 & 36 & 20 &  16 \\ 
\hline 
\end{tabular} 
\end{table}