\begin{table}%A.4
%\centering
\par
\caption{Like Table~\ref{anthracene_comparison2} for neutral coronene 
(C$_{24}$H$_{12}$).
\label{coronene_comparison2}}
\begin{tabular}{ccccccc}
\hline \hline \noalign{\smallskip} 
& \multicolumn{6}{c}{Integrated flux} \\
\noalign{\smallskip} \cline{2-7} \noalign{\smallskip}
& \multicolumn{2}{c}{ISRF} & \multicolumn{2}{c}{Red Rectangle}
& \multicolumn{2}{c}{IRAS~21282+5050}\\
Peak & $\sigma_{\rm lab}$ & $\sigma_{\rm th}$ & $\sigma_{\rm lab}$ & $\sigma_{\rm th}$ & $\sigma_{\rm lab}$ & $\sigma_{\rm th}$ \\
($\mu$m) & (W~sr$^{-1}$) (\%) & (W~sr$^{-1}$) (\%) & (W~sr$^{-1}$) (\%) & (W~sr$^{-1}$) (\%) & (W~sr$^{-1}$) (\%) & (W~sr$^{-1}$) (\%) \\
\hline \noalign{\smallskip}
3.26 & $3.4 \times 10^{-27}$ (36.85) & $2.8 \times 10^{-27}$ (34.47) & $6.1 \times 10^{-26}$ (27.41) & $5.8 \times 10^{-26}$ (24.75) & $3.1 \times 10^{-22}$ (43.24) & $2.3 \times 10^{-22}$ (42.58) \\
3.29 & $2.4 \times 10^{-28}$ (2.56) & $1.9 \times 10^{-28}$ (2.33) & $4.1 \times 10^{-27}$ (1.86) & $4.0 \times 10^{-27}$ (1.72) & $2.1 \times 10^{-23}$ (2.99) & $1.6 \times 10^{-23}$ (2.88) \\
6.24 & $4.9 \times 10^{-28}$ (5.24) & $4.2 \times 10^{-28}$ (5.27) & $1.2 \times 10^{-26}$ (5.45) & $1.3 \times 10^{-26}$ (5.47) & $3.7 \times 10^{-23}$ (5.16) & $2.9 \times 10^{-23}$ (5.21) \\
6.69 & $8.4 \times 10^{-30}$ (0.09) & $7.5 \times 10^{-30}$ (0.09) & $2.0 \times 10^{-28}$ (0.09) & $2.4 \times 10^{-28}$ (0.10) & $5.9 \times 10^{-25}$ (0.08) & $5.1 \times 10^{-25}$ (0.09) \\
7.21 & $1.0 \times 10^{-28}$ (1.07) & $8.9 \times 10^{-29}$ (1.11) & $2.6 \times 10^{-27}$ (1.17) & $2.8 \times 10^{-27}$ (1.22) & $7.4 \times 10^{-24}$ (1.04) & $5.8 \times 10^{-24}$ (1.06) \\
7.63 & $6.3 \times 10^{-28}$ (6.76) & $5.5 \times 10^{-28}$ (6.88) & $1.7 \times 10^{-26}$ (7.47) & $1.7 \times 10^{-26}$ (7.49) & $4.5 \times 10^{-23}$ (6.31) & $3.5 \times 10^{-23}$ (6.42) \\
8.25 & $2.8 \times 10^{-28}$ (2.99) & $2.5 \times 10^{-28}$ (3.08) & $7.3 \times 10^{-27}$ (3.30) & $8.0 \times 10^{-27}$ (3.42) & $2.0 \times 10^{-23}$ (2.80) & $1.6 \times 10^{-23}$ (2.82) \\
8.78 & $2.9 \times 10^{-28}$ (3.16) & $2.6 \times 10^{-28}$ (3.26) & $8.1 \times 10^{-27}$ (3.64) & $8.8 \times 10^{-27}$ (3.79) & $2.1 \times 10^{-23}$ (2.98) & $1.6 \times 10^{-23}$ (2.96) \\
11.57 & $3.2 \times 10^{-27}$ (33.86) & $2.8 \times 10^{-27}$ (35.56) & $9.0 \times 10^{-26}$ (40.58) & $9.9 \times 10^{-26}$ (42.48) & $2.2 \times 10^{-22}$ (30.21) & $1.7 \times 10^{-22}$ (30.70) \\
12.43 & $1.0 \times 10^{-29}$ (0.11) & $9.3 \times 10^{-30}$ (0.12) & $3.0 \times 10^{-28}$ (0.13) & $3.3 \times 10^{-28}$ (0.14) & $6.8 \times 10^{-25}$ (0.09) & $5.2 \times 10^{-25}$ (0.09) \\
12.90 & $1.5 \times 10^{-28}$ (1.59) & $1.3 \times 10^{-28}$ (1.69) & $4.4 \times 10^{-27}$ (1.99) & $4.7 \times 10^{-27}$ (2.03) & $1.0 \times 10^{-23}$ (1.41) & $7.8 \times 10^{-24}$ (1.42) \\
18.21 & $3.7 \times 10^{-28}$ (3.99) & $3.4 \times 10^{-28}$ (4.24) & $1.1 \times 10^{-26}$ (4.99) & $1.2 \times 10^{-26}$ (5.29) & $2.4 \times 10^{-23}$ (3.35) & $1.9 \times 10^{-23}$ (3.41) \\
%18.46 & $2.5 \times 10^{-30}$ (0.03) & $2.5 \times 10^{-30}$ (0.03) & $7.9 \times 10^{-29}$ (0.04) & $1 \times 10^{-28}$ (0.04) & $2.9 \times 10^{-27}$ (0.00) & $1.4 \times 10^{-27}$ (0.00) \\
%20.07 & $4.2 \times 10^{-30}$ (0.04) & $3.2 \times 10^{-30}$ (0.04) & $1.1 \times 10^{-28}$ (0.05) & $1.3 \times 10^{-28}$ (0.06) & $1 \times 10^{-27}$ (0.00) & $2.4 \times 10^{-27}$ (0.00) \\
%20.97 & $2.2 \times 10^{-30}$ (0.02) & $1.9 \times 10^{-30}$ (0.02) & $6.6 ~~ 10^{-29}$ (0.03) & $8.1 ~~ 10^{-29}$ (0.03) & $8 ~~ 10^{-28}$ (0.00) & $2.2 ~~ 10^{-28}$ (0.00) \\
%21.15 & $2.2 ~~ 10^{-30}$ (0.02) & $2 ~~ 10^{-30}$ (0.02) & $7.3 ~~ 10^{-29}$ (0.03) & $6.5 ~~ 10^{-29}$ (0.03) & $8.6 ~~ 10^{-28}$ (0.00) & $7.5 ~~ 10^{-28}$ (0.00) \\
$[22.28]$ & $4.9 \times 10^{-30}$ (0.05) & $5.3 \times 10^{-30}$ (0.07) & $1.6 \times 10^{-28}$ (0.07) & $1.8 \times 10^{-28}$ (0.08) & -- & -- \\
26.20 & $2.7 \times 10^{-29}$ (0.29) & $2.5 \times 10^{-29}$ (0.31) & $8.5 \times 10^{-28}$ (0.38) & $9.7 \times 10^{-28}$ (0.42) & $1.5 \times 10^{-24}$ (0.21) & $1.2 \times 10^{-24}$ (0.22) \\
$[27.34]$ & $8.8 \times 10^{-30}$ (0.09) & $8.3 \times 10^{-30}$ (0.10) & $2.6 \times 10^{-28}$ (0.12) & $3.1 \times 10^{-28}$ (0.13) & -- & -- \\
$[33.59]$ & $1.3 \times 10^{-29}$ (0.14) & $1.2 \times 10^{-29}$ (0.15) & $3.8 \times 10^{-28}$ (0.17) & $4.1 \times 10^{-28}$ (0.18) & -- & -- \\
$[34.34]$ & $1.3 \times 10^{-29}$ (0.14) & $1.3 \times 10^{-29}$ (0.17) & $3.8 \times 10^{-28}$ (0.17) & $4.4 \times 10^{-28}$ (0.19) & -- & -- \\
$[44.57]$ & $9.6 \times 10^{-30}$ (0.10) & $8.8 \times 10^{-30}$ (0.11) & $2.4 \times 10^{-28}$ (0.11) & $2.9 \times 10^{-28}$ (0.12) & -- & -- \\
$[61.10]$ & $1.2 \times 10^{-29}$ (0.13) & $1.2 \times 10^{-29}$ (0.15) & $2.8 \times 10^{-28}$ (0.13) & $3.1 \times 10^{-28}$ (0.13) & -- & -- \\
80.60 & $2.3 \times 10^{-29}$ (0.24) & $2.2 \times 10^{-29}$ (0.27) & $7.4 \times 10^{-28}$ (0.33) & $8.4 \times 10^{-28}$ (0.36) & $8.4 \times 10^{-25}$ (0.12) & $7.2 \times 10^{-25}$ (0.13) \\
$[113.37]$ & $3.0 \times 10^{-29}$ (0.33) & $2.8 \times 10^{-29}$ (0.36) & $3.9 \times 10^{-28}$ (0.18) & $4.2 \times 10^{-28}$ (0.18) & -- & -- \\
\hline 
\end{tabular}
\end{table}