\begin{table}%t1
  \caption {\label{tab:summary_of_data}Summary of data used in this study.}
%\centerline
 {  \begin{tabular}{l cccccc}
    \hline
    \hline
    Line/Band&[\cii]&8 $\mu$m& 24 $\mu$m& 70 $\mu$m&160 $\mu$m& H$\alpha$\\
    \hline
    Mission & BICE & SAGE & SAGE & SAGE & SAGE & SHASSA\\
    1$\sigma$ limit [${\rm MJy~sr^{-1}}$] & -- &  0.2 &  0.2 & 1.0 & 2.0 & --\\
    1$\sigma$ limit [${\rm 10^{-5}~erg~s^{-1}~cm^{-2}~sr^{-1}}$]$^{a}$ & 0.47 &  3.0 & 0.7 &  1.0 & 0.8 & 1.21 $\times$ $10^{-2}$\\
    1$\sigma$ limit [${\rm MJy~sr^{-1}}$] $^{a}$ & -- & $4 \times 10^{-4}$  &  $4 \times 10^{-4}$ & $4 \times 10^{-3}$ & $2 \times 10^{-2}$ & --\\ 
    1$\sigma$ limit [${\rm 10^{-5}~erg~s^{-1}~cm^{-2}~sr^{-1}}$]$^{a}$  & 0.47 &  $6\times 10^{-3}$ & $1\times 10^{-3}$ &  $5 \times 10^{-3}$ & $1 \times 10^{-2}$ & $4.45 \times 10^{-5}$ \\
    Survey Area & 6$^\circ$ $\times$ 10$^\circ$ & 7.1$^\circ$~$\times$~7.1$^\circ$ & 7.8$^\circ$~$\times$~7.8$^\circ$ & 7.8$^\circ$~$\times$~7.8$^\circ$ & 
    7.8$^\circ$~$\times$~7.8$^\circ$ & $13^{\circ}\times 13^{\circ}$\\
    Beamsize [$^{\prime\prime}$] & 894 & 2 & 6 & 18 & 40 & 240\\
    Linear size [pc] & $\sim$225 & $\sim$0.5 & $\sim$1.5 & $\sim$4.5 & $\sim$10 & $\sim$60 \\
    Reference & [1] & [2] & [2] & [2] & [2] & [3]\\
    \hline
  \end{tabular}}
\par
   \smallskip
  $^{a}$ Sigma values after full data treatment, as outlined in
  Sect.~\ref{sec:convolved_data}. 
  References: [1] \citet{mochizuki:1994}; [2] \citet{meixner:2006};
  [3] \citet{gaustad:2001}.
  \end{table}