\begin{table}%t1
\caption{\label{tab:sample}Galaxy sample and computed temperatures.}
%\centering
\par
\begin{tabular}{rrrrrr}
\hline\hline\noalign{\smallskip}
Name & Hubble & $D$\tablefootmark{a} & Spectral\tablefootmark{b}
& $T_{\rm disk}$\tablefootmark{c} & $T_{\rm center}$\tablefootmark{c} \\
& type & (Mpc) & type & (K) & (K) \\
\hline
NGC~0628 & SAc & 7.3 & HII? & 22.7 $\pm$ 0.4 & 24.2 $\pm$ 0.5 \\
NGC~0925 & SABd & 9.0 & HII & 22.3 $\pm$ 0.4 & 23.9 $\pm$ 0.5 \\
NGC~1097 & SBb & 19.1 & Sy1 & 23.4 $\pm$ 0.5 & 28.7 $\pm$ 0.7 \\
NGC~1291 & SB0/a & 10.4 & \ldots & 18.3 $\pm$ 0.3 & 27.6 $\pm$ 0.6 \\
NGC~1512 & SBa & 14.4 & HII & 21.3 $\pm$ 0.4 & 27.3 $\pm$ 0.6 \\
NGC~3621 & SAd & 6.9 & \ldots & 21.9 $\pm$ 0.4 & 25.6 $\pm$ 0.6 \\
NGC~4559 & SABcd & 8.5 & HII & 22.7 $\pm$ 0.4 & 24.2 $\pm$ 0.5 \\
NGC~4594 & SAa & 9.4 & Sy1.9 & 21.3 $\pm$ 0.4 & 22.9 $\pm$ 0.4 \\
NGC~4631 & SBd & 7.6 & HII & 24.5 $\pm$ 0.5 & 27.7 $ \pm$ 0.6 \\
NGC~5055 & SAbc & 10.2 & Transition2 & 22.0 $\pm$ 0.4 & 25.3 $\pm$ 0.5 \\
NGC~5457 & SABcd & 7.1 & HII & 23.4 $\pm$ 0.5 & 23.9 $\pm$ 0.5 \\
NGC~6946 & SABcd & 6.8 & HII & 24.5 $\pm$ 0.5 & 26.6 $\pm$ 0.6 \\
NGC~7331 & SAb & 14.9 & Transition2 & 23.2 $\pm$ 0.4 & 26.2 $\pm$ 0.6 \\
\hline
\end{tabular}
\tablefoot{\tablefoottext{a}{As listed in NED: The NASA/IPAC
Extragalactic Database (NED) is operated by the Jet Propulsion Laboratory,
California Institute of Technology, under contract with the National
Aeronautics and Space Administration.}
\tablefoottext{b}{From NED or Ho
et~al. \cite{ho97}.}
\tablefoottext{c}{Includes uncertainty in the photometric
calibration.}}
\end{table}