\begin{table}%t2
\caption{\label{tab:DFfluxes} Line emission fluxes for the knots D and F.}
%%\begin{center}
\par
%\vspace{0.5cm}
\begin{tabular}{ccccc}
\hline\hline
         &          &     D1           & F1                & IRS 40+F0  \\
\hline\noalign{\smallskip}
$\lambda$ ($\mu$m)  & Ident. &   \multicolumn{3}{c}{$F \pm\Delta F$   (10$^{-15}$ erg s$^{-1}$ cm$^{-2}$)}\\
\hline
1.644    & [FeII]a$^4$D$_{7/2}$-a$^4$F$_{9/2}$&&      & 0.8 $\pm$ 0.3$^a$\\
1.686    & (1, 0)S9  & 0.7 $\pm$ 0.2      &  --           &  --             \\
1.714    & (1, 0)S8  & 0.5 $\pm$ 0.2$^a$  &  --          &  --             \\
1.748    & (1, 0)S7  & 1.5 $\pm$ 0.1      &  0.3 $\pm$ 0.1 & 0.4 $\pm$ 0.1    \\
1.788    & (1, 0)S6  & 1.4 $\pm$ 0.1      &  0.6 $\pm$ 0.1 & --              \\
1.958    & (1, 0)S3  &38.1 $\pm$ 0.6      &  4.2 $\pm$ 0.4 & 5.4 $\pm$ 0.2    \\
2.004    & (2, 1)S4  & 1.4 $\pm$ 0.1      &  --          &  --             \\
2.034    & (1, 0)S2  & 8.2 $\pm$ 0.2      &  2.0 $\pm$ 0.3 &  --             \\
2.073    & (2, 1)S3  & 1.8 $\pm$ 0.2      &  0.9 $\pm$ 0.3 &  --             \\
2.122    & (1, 0)S1  &27.8 $\pm$ 0.2      &  7.9 $\pm$ 0.1 & 6.1 $\pm$ 0.2    \\
2.154    & (2, 1)S2  & 1.1 $\pm$ 0.1      &  --           & --              \\
2.224    & (1, 0)S0  & 9.4 $\pm$ 0.4      &  2.1 $\pm$ 0.2 & 1.7 $\pm$ 0.4    \\
2.247    & (2, 1)S1  & 3.5 $\pm$ 0.4      &  1.1 $\pm$ 0.2 & 1.0 $\pm$ 0.2    \\
2.407    & (1, 0)Q1  &54.2 $\pm$ 0.4      & 11.8 $\pm$ 0.2 & 8.2 $\pm$ 0.4    \\
2.414    & (1, 0)Q2  &20.3 $\pm$ 0.5      &  3.9 $\pm$ 0.2 & 4.1 $\pm$ 0.4    \\
2.424    & (1, 0)Q3  &48.7 $\pm$ 0.5      & 10.6 $\pm$ 0.2 & 6.6 $\pm$ 0.4    \\
2.438    & (1, 0)Q4  &21.4 $\pm$ 0.5      &  6.6 $\pm$ 0.2 & 4.5 $\pm$ 0.5    \\
2.455    & (1, 0)Q5  &11.2 $\pm$ 0.5      & 12.9 $\pm$ 0.2 & 6.5 $\pm$ 0.4    \\
2.476    & (1, 0)Q6  &16.3 $\pm$ 0.6      &  --           & 1.8 $\pm$ 0.4    \\
2.501    & (1, 0)Q7  &29.0 $\pm$ 0.6      &  --           & --              \\
\hline
\end{tabular}
\parbox{9cm}{
Note: $^a$ Signal-to-noise ratio less than three}.
%%\end{center}
\end{table}