\begin{table}%t2
%\centering
\par
\caption{Results of harmonic fits to the Geneva lightcurves of HD~203664. A
stands for the amplitude, expressed in millimag, and $\phi$ for the phase,
expressed in 2$\pi$ radians.  The adopted reference epoch for $\phi=0.0$
corresponds to HJD 2~450~000.0.\label{ampl}}
\begin{tabular}{ccccccccc}
\hline\hline
&& $U$ & $B_1$ & $B$ & $B_2$ & $V_1$ & $V$ & $G$ \\
\hline
$f_1$ & A & 36.3~$\pm$~0.7 & 32.5~$\pm$~0.8 & 31.7~$\pm$~0.7 & 31.4~$\pm$~0.7 &
30.0~$\pm$~0.8 & 30.0~$\pm$~0.7 & 29.1~$\pm$~0.8 \\
 & $\phi$ & 0.077~$\pm$~0.001 & 0.078~$\pm$~0.001 & 0.078~$\pm$~0.001 & 
0.077~$\pm$~0.001 & 0.079~$\pm$~0.001 & 0.075~$\pm$~0.001 & 0.077~$\pm$~0.002 \\ 
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
$f_2$ & A & 4.2~$\pm$~0.7 & 3.9~$\pm$~0.6 & 3.9~$\pm$~0.6 & 4.0~$\pm$~0.7 &
3.7~$\pm$~0.7 & 4.2~$\pm$~0.6 & 3.6~$\pm$~0.6 \\
 & $\phi$ & --0.210~$\pm$~0.026 & --0.226~$\pm$~0.027 & --0.226~$\pm$~0.024 & 
--0.199~$\pm$~0.028 & --0.209~$\pm$~0.031 & --0.225~$\pm$~0.023 & --0.240~$\pm$~0.029 \\ 
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
$f_3$ & A & 3.7~$\pm$~0.8 & 3.6~$\pm$~0.8 & 3.5~$\pm$~0.7 & 3.5~$\pm$~0.7 &
2.7~$\pm$~0.7 & 3.0~$\pm$~0.7 & 1.8~$\pm$~0.7 \\
 & $\phi$ & 0.172~$\pm$~0.010 & 0.165~$\pm$~0.009 & 0.166~$\pm$~0.009 & 
0.189~$\pm$~0.014 & 0.205~$\pm$~0.024 & 0.189~$\pm$~0.016 & 0.238~$\pm$~0.051 \\ 
%%%%%%%%%%%%%%%%%%%%%%%%%%%
\hline \multicolumn{2}{c}{variance}& 
93.2\% & 91.2\% & 92.5\% & 91.3\% & 89.3\% & 91.1\% & 87.7\% 
\\[-0.1cm] \multicolumn{2}{c}{reduction}&&&&&&&\\
\hline
\end{tabular}
\end{table}