\begin{table}%t1
\footnotesize
%\centering
\par
\caption{Line-of-sight averaged ice abundances in the Oph-F core.\label{parameters}}
\begin{tabular}{llllll}
\hline
\hline
\noalign{\smallskip}
&CBRR 2422.8-3423 & IRS 43& IRS 42& IRS 44 & IRS 46\\
\hline
Distance to Oph-F MM2 [AU]&1.8e3&4.3e3&8.2e3&11.0e3&13.9e3\\
$N$(H$_2$O) [$\rm cm^{-2}$] &3.9e18&2.96e18&1.87e18&3.04e18&1.17e18\\
$N$(Pure CO)/$N$(H$_2$O)&0.78&0.32&0.15&0.06&0.05\\
$N$(CO in water)/$N$(H$_2$O)&0.19&0.073&0.05&0.04&0.0\\
$N$(CO$_2$)/$N$(H$_2$O) &0.32&0.24&0.184&0.154&0.103\\
$N$(6.8)/$N$(H$_2$O)$^1$ &0.08&0.10&--&0.12&--\\
 &ISAAC/IRS&ISAAC/ISOCAM&ISAAC/ISOCAM&ISAAC/ISOCAM&ISAAC/IRS\\
\hline
\end{tabular}
\end{table}