\begin{table}%t6
\par
\caption {\label{tab_val_med_corr}Median values of the dust emissivity in the molecular and the
atomic phase for each studied case, after correction of a mixture of
the radiation field intensity along the line of sight. 
}
%\centerline
 {\begin{tabular}{  c   c   c   c  c   c   c }
\hline
\hline
 $\rm \lambda$ &  \multicolumn{2}{c }{Case 1: \CaseOne} &  \multicolumn{2}{c }{ Case 2: \CaseTwo} &   \multicolumn{2}{c }{Case 3: \CaseThree} \\
 ($\rm \mic$)& $\rm \epsilon_{HI}$ & $\rm \epsilon_{CO}$ & $\rm \epsilon_{HI}$ & $\rm \epsilon_{CO}$ & $\rm \epsilon_{HI}$ & $\rm \epsilon_{CO}$ \\
\hline
 100 & 1.8 $\pm$ 0.9 $\times$ 10$^{-24}$ & 1.6 $\pm$ 0.7 $\times$ 10$^{-24}$ & 1.2 $\pm$ 0.6 $\times$ 10$^{-24}$ & 2.0 $\pm$ 0.9 $\times$ 10$^{-24}$ & 2.7 $\pm$ 2.5 $\times$ 10$^{-24}$ & 8.5 $\pm$ 4.5 $\times$ 10$^{-25}$\\
 140 & 8.7 $\pm$ 3.3 $\times$ 10$^{-25}$ & 7.5 $\pm$ 2.6 $\times$ 10$^{-25}$ & 6.1 $\pm$ 2.6 $\times$ 10$^{-25}$ & 8.2 $\pm$ 2.8 $\times$ 10$^{-25}$ & 1.3 $\pm$ 0.7 $\times$ 10$^{-24}$ & 4.6 $\pm$ 1.8 $\times$ 10$^{-25}$\\
 240 & 2.3 $\pm$ 0.8 $\times$ 10$^{-25}$ & 1.9 $\pm$ 0.4 $\times$ 10$^{-25}$ & 1.8 $\pm$ 0.5 $\times$ 10$^{-25}$ & 1.9 $\pm$ 0.4 $\times$ 10$^{-25}$ & 2.8 $\pm$ 0.8 $\times$ 10$^{-25}$ & 1.5 $\pm$ 0.3 $\times$ 10$^{-25}$ \\
 550 & 3.3 $\pm$ 0.8 $\times$ 10$^{-26}$ & 2.4 $\pm$ 0.5 $\times$ 10$^{-26}$ & 3.9 $\pm$ 0.6 $\times$ 10$^{-26}$ & 2.3 $\pm$ 0.5 $\times$ 10$^{-26}$ & 5.1 $\pm$ 0.8 $\times$ 10$^{-26}$ & 3.0 $\pm$ 0.5 $\times$ 10$^{-26}$\\
 850 & 2.0 $\pm$ 0.4  $\times$ 10$^{-26}$ & 1.1 $\pm$ 0.1  $\times$ 10$^{-26}$ & 2.3 $\pm$ 0.3  $\times$ 10$^{-26}$ &  1.2 $\pm$ 0.2  $\times$ 10$^{-26}$ & 2.4 $\pm$ 0.3 $\times$ 10$^{-26}$  & 1.2 $\pm$ 0.2 $\times$ 10$^{-26}$ \\
 1400 & 7.9 $\pm$ 1.5 $\times$ 10$^{-27}$ & 5.9 $\pm$ 0.8 $\times$ 10$^{-27}$ & 8.1 $\pm$ 1.1 $\times$ 10$^{-27}$ & 5.9 $\pm$ 0.8 $\times$ 10$^{-27}$ & 1.0 $\pm$ 0.1 $\times$ 10$^{-26}$ & 6.0 $\pm$ 0.8 $\times$ 10$^{-27}$\\
 2100 & 5.0 $\pm$ 1.4 $\times$ 10$^{-27}$ & 3.0 $\pm$ 0.6 $\times$ 10$^{-27}$ & 4.6 $\pm$ 0.9 $\times$ 10$^{-27}$ & 2.6 $\pm$ 0.6 $\times$ 10$^{-27}$ & 6.8 $\pm$ 1.1 $\times$ 10$^{-27}$ & 2.6 $\pm$ 0.6 $\times$ 10$^{-27}$ \\
 3200 & 2.7 $\pm$ 1.0 $\times$ 10$^{-27}$ & 2.0 $\pm$ 0.5 $\times$ 10$^{-27}$ & 1.8 $\pm$ 0.6 $\times$ 10$^{-27}$ & 1.7 $\pm$ 0.5 $\times$ 10$^{-27}$ & 2.7 $\pm$ 0.7 $\times$ 10$^{-27}$ & 1.2 $\pm$ 0.4 $\times$ 10$^{-27}$ \\
\hline
\end{tabular}}
\par
\smallskip
Error bars represent the $\pm$1-$\sigma$ uncertainty estimates.
\end{table}