\begin{table}%t4 \caption{\label{table_PAHfluxes}Fluxes of the PAH bands measured with the PAHFit IDL tool on the \textit{Spitzer IRS} spectrum of the center of the SQ~ridge and the \textit{ISO-CVF} spectrum of the Galactic light.} \small%\centering \par \begin{tabular}{c c c c c c} \hline \hline\noalign{\smallskip} & \multicolumn{5}{c}{Integrated fluxes (see notes for units)} \\ \hline\noalign{\smallskip} PAH band & $6.2~\mu$m & $7.7~\mu$m\tablefootmark{3} & $11.3~\mu$m\tablefootmark{3} & $12.6~\mu$m\tablefootmark{3} & $17~\mu$m\tablefootmark{3} \\ SQ~ridge \textit{(IRS)}\tablefootmark{1} & $< 0.75$ & $3.8 \pm 0.1$ & $2.8 \pm 0.1$ & $1.2 \pm 0.2$ & $0.93 \pm 0.04$ \\ Galactic \textit{(CVF)}\tablefootmark{2} & $5.19 \pm 0.09$ & $19.05 \pm 0.03$ & $6.49 \pm 0.17$ & $2.90 \pm 0.05$ & No data \\ \hline \end{tabular} \tablefoot{\tablefoottext{1}{Fluxes are in units of $\times 10^{-9}$~[W~m$^{-2}$~sr$^{-1}$].}\\ \tablefoottext{2}{Fluxes are in units of $\times 10^{-7}$~[W~m$^{-2}$~sr$^{-1}$].}\\ \tablefoottext{3}{In the case of PAH blended complexes, we sum the fluxes of the different Lorentzian components that contribute to the feature.}} \vspace*{4mm} \end{table}