\begin{table}%tC.13
\par
\caption{Like Table~\ref{naphthalene} for tetracene (C$_{18}$H$_{12}$).}
\label{tetracene}
%\begin{center}
\par
\begin{tabular}{cccc}
\hline \hline \noalign{\smallskip} 
& \multicolumn{3}{c}{Integrated flux} \\
\noalign{\smallskip} \cline{2-4} \noalign{\smallskip}
 & & Red & IRAS\\
Peak & ISRF & Rectangle & 21282+5050\\
($\mu$m) & (W$~~$sr$^{-1}$) (\%) & (W$~~$sr$^{-1}$) (\%)& (W$~~$sr$^{-1}$) (\%)\\ 
\hline \noalign{\smallskip}
$\parallel$ 15.63 & $1.6\times 10^{-29}$ (0.23) & $7.1\times 10^{-29}$ (0.29) & $4.4\times 10^{-25}$ (0.18) \\
%15.86 & $9.0\times 10^{-31}$ (0.01) & $5.9\times 10^{-30}$ (0.02) & $0$ (0.00) \\
$\parallel$ 16.31 & $5.3\times 10^{-29}$ (0.78) & $2.3\times 10^{-28}$ (0.93) & $1.5\times 10^{-24}$ (0.62) \\
%17.83 & $1.4\times 10^{-30}$ (0.02) & $7.7\times 10^{-30}$ (0.03) & $1.2\times 10^{-28}$ (0.00) \\
$\parallel$ 17.93 & $8.5\times 10^{-29}$ (1.25) & $3.8\times 10^{-28}$ (1.54) & $2.5\times 10^{-24}$ (0.99) \\
%19.53 & $2.3\times 10^{-30}$ (0.03) & $9.9\times 10^{-30}$ (0.04) & -- \\
$[19.98]$ & $2.6\times 10^{-30}$ (0.04) & $1.2\times 10^{-29}$ (0.05) & -- \\
$\perp$ 21.15 & $1.5\times 10^{-29}$ (0.23) & $7.4\times 10^{-29}$ (0.30) & $4.4\times 10^{-25}$ (0.18) \\
$[21.36]$ & $3.0\times 10^{-30}$ (0.04) & $1.4\times 10^{-29}$ (0.06) & -- \\
$\perp$ 21.55 & $1.9\times 10^{-28}$ (2.80) & $8.7\times 10^{-28}$ (3.49) & $5.3\times 10^{-24}$ (2.12) \\
$\parallel$ 22.69 & $5.4\times 10^{-30}$ (0.08) & $2.7\times 10^{-29}$ (0.11) & $9.5\times 10^{-26}$ (0.04) \\
$[26.73]$ & $4.8\times 10^{-30}$ (0.07) & $2.5\times 10^{-29}$ (0.10) & -- \\
$[31.73]$ & $6.8\times 10^{-30}$ (0.10) & $3.3\times 10^{-29}$ (0.13) & -- \\
$[31.95]$ & $6.8\times 10^{-30}$ (0.10) & $3.2\times 10^{-29}$ (0.13) & -- \\
$[33.20]$ & $7.4\times 10^{-30}$ (0.11) & $3.6\times 10^{-29}$ (0.14) & -- \\
$\perp$ 37.47 & $1.1\times 10^{-29}$ (0.16) & $5.6\times 10^{-29}$ (0.23) & $1.6\times 10^{-25}$ (0.06) \\
$[52.27]$ & $1.2\times 10^{-29}$ (0.18) & $5.6\times 10^{-29}$ (0.22) & -- \\
$\parallel$ 66.17 & $1.7\times 10^{-29}$ (0.26) & $8.5\times 10^{-29}$ (0.34) & $2.2\times 10^{-25}$ (0.09) \\
$[67.60]$ & $1.4\times 10^{-29}$ (0.21) & $6.4\times 10^{-29}$ (0.26) & -- \\
$[110.11]$ & $1.6\times 10^{-29}$ (0.24) & $6.6\times 10^{-29}$ (0.26) & -- \\
$\perp$ 180.44 & $2.1\times 10^{-29}$ (0.31) & $1.0\times 10^{-28}$ (0.42) & $1.9\times 10^{-26}$ (0.01) \\
\hline 
\end{tabular}
%\end{center}
\par
\end{table}