\begin{table}%t1
\caption{\label{tab:sample}Relevant data for the galaxies {studied} here, as well as the images used (M: MIPS, P: PACS, S: SPIRE).}
%\centering
\par
\begin{tabular}{lllll}
  \hline  \hline \noalign{\smallskip}
  Name & Type & Nuc\tablefootmark{a}  & $D_{25}$ ($'$) & Available data  \\
  \hline
  M~81 & SAab      & Sy~1.5 & 26.92 & M(24, 70, 160~\mic),  \\
  &                 &              &            & P(70, 160~\mic), \\
  &                 &              &            & S(250, 350, 500~\mic) \\
  M~99 & SAc         & HII        & 5.37   &  M(24, 70, 160~\mic) \\
  &                 &              &            & S(250, 350, 500~\mic) \\
  M~100 & SABbc & T2         & 7.41   & M(24, 70, 160~\mic) \\
  &                 &              &            & S(250, 350, 500~\mic) \\
  \hline
\end{tabular}
\tablefoot{\tablefoottext{a}{Nuclear classifications from \citet{ho97}, T2 meaning a
    transition object between a starburst and a Sy~2.}}
\vspace{-3mm}\end{table}