\begin{table}%t5
%\centering
\par
\caption{\label{ISO_upper}The brightest water lines predicted by the our model
considering {\it X}(H$_2$O)$_{\rm  in} = 1 \times 10^{-5}$ and {\it X}(H$_2$O)$_{\rm out} = 1 \times 10^{-7}$ compared with the ISO~LWS observations. The upper limits refer to 3$\sigma$. All fluxes are in  10$^{-12}$~erg~s$^{-1}$~cm$^{-2}$ units.}
\begin{tabular}{cccccccccccc}
\hline\hline \noalign{\smallskip}
Source &  & CB3 & & Cep E & & IC1396 N && NGC7129 && Serpens & \\
\hline
& & mm  & & mm    & & BIMA 2   & & FIRS 2  && FIRS~1  & \\
\hline 
$\lambda$    &  Transition    &    Model &  LWS  & Model &  LWS  & Model &  LWS  & Model &  LWS  & Model &  LWS  \\
($\mu$m)     & $J_{K_- K_+} -$ $J'_{K'_- K'_+}$ &  & & & & & & & & & \\  \hline  
ortho & & & & & & & & & & &  \\
75.38  & 3$_{2 1} -$  2$_{1 2}$ & 0.3  & -- & 0.2  & $1.4 \pm 0.3$ & 0.08 & $<$3.1 & 0.2  & $<$1.7 & 0.5 & $2 \pm 0.4$\\ 
108.07 & 2$_{2 1} -$  1$_{1 0}$ & 0.1  & -- & 0.1  & $1.8 \pm 0.5$ & 0.07 & $<$2.3 & 0.1  & $<$1.5 & 0.4 & $1.5 \pm 0.4$ \\ 
113.54 & 4$_{1 4} -$  3$_{0 3}$ & 0.1  & -- & 0.1  & $2.2 \pm 0.5$ & 0.04 & $<$1.2 & 0.08 & $<$1.0 & 0.2 & $2.9 \pm 0.9$\\  
174.62 & 3$_{0 3} -$  2$_{1 2}$ & 0.06 & -- & 0.07 & $1.6 \pm 1$ & 0.06 & $<$2.6 & 0.08 & $<$0.8 & 0.2 & $2 \pm 0.2$ \\ 
179.53 & 2$_{1 2} -$  1$_{0 1}$ & 0.09 & -- & 0.1  & $2.9 \pm 0.3$ & 0.2  & $<$2.2 & 0.2  & $<$1.1 & 0.5 & $1.4 \pm 0.2$ \\  
para  & & & & & & & & & & & \\
89.99  & 3$_{2 2} -$  2$_{1 1}$ & 0.2  & -- & 0.1  & $1 \pm 0.2$ & 0.04 & $<$2.4 & 0.1  & $<$1.5 & 0.3 & $2.4 \pm 0.6$\\
100.98 & 2$_{2 0} -$  1$_{1 1}$ & 0.1  & -- & 0.1  & $<$0.5      & 0.04 & $<$1.0 & 0.09 & $<$0.6 & 0.3 & $2.6 \pm 0.5$\\
\hline  
\end{tabular}
\end{table}