\begin{table}%t1
\caption{\label{tabla}Energy fluxes in acoustic waves $F_{\rm ac}$ from quiet Sun disc centre.  See text for meaning of ``IN'', ``N'', ``corr.'', and {\em lower limit}.}
%\centering
\small
\begin{tabular}{lccc}
\hline
\hline \noalign{\smallskip}
comment &  &$F_{\rm ac}$ [W~m$^{-2}$]& \\
        & 5.2--10~mHz & 10--20~mHz & total\\
\hline
Fourier analysis & \\
full FOV & 1500 & 340 & 1840 \\
full FOV, corr. & 1910 & 1280 & 3190\\
 {\em lower limits}  & {\em 1720} & {\em 780} & {\em 2500}\\
IN, corr. & 2030 & 1370 & 3400\\
N, corr. & 1860& 1270 & 3130\\
\hline
wavelet analysis & \\
full FOV &  2150& 310 & 2460\\
full FOV, corr. & 2630 & 1020 & 3650\\
 {\em lower limits}  & {\em 2410} & {\em 630} & {\em 3040}\\
IN, corr. & 2710 & 990 & 3700\\
N, corr. & 2710 & 1150 & 3860\\
\hline
\end{tabular}
\begin{tabular}{lc}
other work & ~~~~~~total\\
\hline
\citet{wunnenberg02} & \\
 acoustic waves, 7.7--20~mHz at $h=600$~km & ~~~~~~~900\\
 \hline
\citet{straus08} & \\
acoustic waves at $h=250$~km& ~~~~~~~1400\\
acoustic waves at $h=500$~km& ~~~~~~~1000\\
gravity waves at $h=250$~km&  ~~~~~~~20~800\\
gravity waves at $h=500$~km&  ~~~~~~~5000\\
\hline
\citet{fossum06}, acoustic waves & ~~~~~~~510\\
\hline
\citet{carlsson07}, acoustic waves & ~~~~~~~800\\
\hline
\end{tabular}
\end{table}