\begin{table}%Tb2
\par
%\centering
\par
  \caption{Predicted line fluxes of selected o-H$_2$CO transitions for
    an abundance \Xout in the outer enveloppe, increasing to \Xin at
    the radius where $T_{\rm dust} \ge 100$~K.}
  \begin{tabular}{l l l l l l l l l l}
    \hline
    \hline
    Transition & Freq. & $E_{\rm up}$ & \multicolumn{7}{c}{Fluxes} \\
    & (GHz) & (cm$^{-1}$) & \multicolumn{7}{c}{(${\rm erg} ~ {\rm s}^{-1} ~ {\rm cm}^{-2}$)}\\
    \cline{4-10}
    & & & IRAS~4A & IRAS~4B & IRAS~2 & L1448MM & L1448N & L1157MM & L1527 \\
    \hline
    $2_{1,2}-1_{1,1}$     & 140.8 & 15  & 2.7E-15 & 1.6E-15 & 4.9E-16 & 1.1E-15 & 2.1E-15 & 3.7E-16 & 7.6E-16 \\
    $2_{1,1}-1_{1,0}$     & 150.4 & 16  & 2.5E-15 & 1.4E-15 & 4.2E-16 & 9.2E-16 & 2.1E-15 & 3.6E-16 & 6.4E-16 \\
    $3_{1,3}-2_{1,2}$     & 211.2 & 22  & 3.5E-15 & 1.7E-15 & 7.3E-16 & 1.1E-15 & 3.3E-15 & 5.9E-16 & 5.7E-16 \\
    $3_{1,2}-2_{1,1}$     & 225.6 & 23  & 2.9E-15 & 1.1E-15 & 5.8E-16 & 6.9E-16 & 2.4E-15 & 4.8E-16 & 2.7E-16 \\
    $4_{1,4}-3_{1,3}$     & 281.5 & 32  & 3.5E-15 & 1.1E-15 & 8.9E-16 & 8.1E-16 & 2.2E-15 & 6.2E-16 & 2.1E-16 \\
    $4_{3,2}-3_{3,1}$     & 291.3 & 98  & 1.6E-16 & 9.7E-17 & 2.8E-16 & 6.4E-17 & 4.6E-17 & 4.5E-17 & 9.2E-19 \\
    $4_{3,1}-3_{3,0}$     & 291.3 & 98  & 1.6E-16 & 9.6E-17 & 2.8E-16 & 6.4E-17 & 4.6E-17 & 4.5E-17 & 9.0E-19 \\
    $4_{1,3}-3_{1,2}$     & 300.8 & 33  & 2.9E-15 & 6.8E-16 & 7.7E-16 & 4.9E-16 & 1.1E-15 & 5.1E-16 & 6.0E-17 \\
    $5_{1,5}-4_{1,4}$     & 351.7 & 43  & 3.1E-15 & 6.9E-16 & 1.0E-15 & 5.6E-16 & 9.2E-16 & 6.2E-16 & 5.7E-17 \\
    $5_{3,3}-4_{3,2}$     & 364.2 & 110 & 4.6E-16 & 1.9E-16 & 5.6E-16 & 1.5E-16 & 1.1E-16 & 1.5E-16 & 2.3E-18 \\
    $5_{3,2}-4_{3,2}$     & 364.2 & 110 & 4.6E-16 & 1.9E-16 & 5.6E-16 & 1.5E-16 & 1.2E-16 & 1.5E-16 & 2.3E-18 \\
    $5_{1,4}-4_{1,3}$     & 375.8 & 46  & 3.0E-15 & 5.7E-16 & 1.1E-15 & 4.5E-16 & 6.4E-16 & 6.2E-16 & 2.5E-17 \\
    $6_{1,6}-5_{1,5}$     & 421.9 & 57  & 3.0E-15 & 5.7E-16 & 1.3E-15 & 4.9E-16 & 5.4E-16 & 7.2E-16 & 2.7E-17 \\
    $6_{3,4}-5_{3,3}$     & 437.1 & 125 & 9.2E-16 & 3.2E-16 & 9.6E-16 & 2.6E-16 & 2.1E-16 & 3.2E-16 & 3.9E-18 \\
    $6_{3,3}-5_{3,2}$     & 437.2 & 125 & 9.2E-16 & 3.2E-16 & 9.6E-16 & 2.6E-16 & 2.2E-16 & 3.2E-16 & 4.0E-18 \\
    $6_{1,5}-5_{1,4}$     & 450.8 & 61  & 3.1E-15 & 5.5E-16 & 1.4E-15 & 4.7E-16 & 4.6E-16 & 7.9E-16 & 1.7E-17 \\
    $7_{1,7}-6_{1,6}$     & 491.9 & 74  & 3.1E-15 & 6.0E-16 & 1.7E-15 & 5.2E-16 & 4.6E-16 & 9.2E-16 & 2.0E-17 \\
    $7_{3,5}-6_{3,4}$     & 510.1 & 142 & 1.5E-15 & 4.9E-16 & 1.5E-15 & 3.9E-16 & 3.4E-16 & 5.7E-16 & 4.8E-18 \\
    $7_{3,4}-6_{3,3}$     & 510.2 & 142 & 1.5E-15 & 4.9E-16 & 1.4E-15 & 3.9E-16 & 3.4E-16 & 5.6E-16 & 4.9E-18 \\
    $7_{1,6}-6_{1,5}$     & 525.6 & 78  & 3.4E-15 & 6.6E-16 & 1.9E-15 & 5.6E-16 & 4.8E-16 & 1.1E-15 & 1.7E-17 \\
    $8_{1,8}-7_{1,7}$     & 561.8 & 93  & 3.4E-15 & 7.5E-16 & 2.2E-15 & 6.3E-16 & 5.4E-16 & 1.2E-15 & 1.8E-17 \\
    $8_{3,6}-7_{3,5}$     & 583.1 & 161 & 2.3E-15 & 7.4E-16 & 2.2E-15 & 5.9E-16 & 5.2E-16 & 9.1E-16 & 4.9E-18 \\
    $8_{3,5}-7_{3,4}$     & 583.2 & 161 & 2.3E-15 & 7.4E-16 & 2.2E-15 & 5.9E-16 & 5.2E-16 & 9.1E-16 & 5.0E-18 \\
    $8_{1,7}-7_{1,6}$     & 600.3 & 68  & 3.9E-15 & 8.6E-16 & 2.6E-15 & 7.2E-16 & 6.2E-16 & 1.5E-15 & 1.5E-17 \\
    $9_{1,9}-8_{1,8}$     & 631.6 & 114 & 4.1E-15 & 1.0E-15 & 3.0E-15 & 8.3E-16 & 7.2E-16 & 1.7E-15 & 1.5E-17 \\
    $9_{3,7}-8_{3,6}$     & 656.1 & 183 & 3.2E-15 & 1.0E-15 & 3.1E-15 & 8.3E-16 & 7.3E-16 & 1.3E-15 & 3.9E-18 \\
    $9_{3,6}-8_{3,5}$     & 656.4 & 183 & 3.2E-15 & 1.0E-15 & 3.1E-15 & 8.3E-16 & 7.3E-16 & 1.3E-15 & 4.0E-18 \\
    $9_{1,8}-8_{1,7}$     & 674.7 & 121 & 4.7E-15 & 1.2E-15 & 3.6E-15 & 9.6E-16 & 8.5E-16 & 2.0E-15 & 1.3E-17 \\
    $10_{1,10}-9_{1,9}$   & 701.3 & 137 & 5.1E-15 & 1.4E-15 & 4.1E-15 & 1.1E-15 & 9.8E-16 & 2.3E-15 & 1.0E-17 \\
    $10_{3,8}-9_{3,7}$    & 729.1 & 207 & 4.2E-15 & 1.4E-15 & 4.1E-15 & 1.1E-15 & 9.2E-16 & 1.8E-15 & 2.2E-18 \\
    $10_{1,9}-9_{1,8}$    & 729.6 & 207 & 4.1E-15 & 1.4E-15 & 4.1E-15 & 1.1E-15 & 9.1E-16 & 1.8E-15 & 2.2E-18 \\
    $11_{1,11}-10_{1,10}$ & 749.0 & 146 & 5.8E-15 & 1.6E-15 & 4.8E-15 & 1.3E-15 & 1.1E-15 & 2.7E-15 & 8.5E-18 \\
    $11_{1,10}-10_{1,10}$ & 770.8 & 163 & 6.3E-15 & 1.8E-15 & 5.4E-15 & 1.4E-15 & 1.3E-15 & 3.0E-15 & 6.4E-18 \\
    $11_{1,10}-10_{1,9}$  & 823.0 & 173 & 7.3E-15 & 2.1E-15 & 6.3E-15 & 1.7E-15 & 1.5E-15 & 3.5E-15 & 5.1E-18 \\ 
    $12_{1,12}-11_{1,11}$ & 840.2 & 191 & 7.9E-15 & 2.4E-15 & 7.0E-15 & 1.8E-15 & 1.6E-15 & 3.7E-15 & 2.9E-18 \\ 
    $12_{1,11}-11_{1,10}$ & 896.7 & 203 & 9.1E-15 & 2.8E-15 & 8.2E-15 & 2.1E-15 & 1.8E-15 & 4.3E-15 & 2.4E-18 \\ 
    \hline    
  \end{tabular}
  \label{tab:flux_jump}
\end{table}