\begin{table}%t3 \caption{\label{tab:fluxes}Radiative chromospheric losses, $\chi^2$, and probability for the line-flux modulations.} \small%\centering \par \begin{tabular}{lcrrrr} \hline\hline \noalign{\smallskip} Line & Flux & $\chi^2_0$ & $P_{\chi^2<\chi^2_0}$ & $\chi^2_0$ & $P_{\chi^2<\chi^2_0}$ \\ & {(erg~cm$^{-2}$~s$^{-1}$)} & \multicolumn{2}{c}{Fourier pol.} & \multicolumn{2}{c}{Constant} \\ \hline \noalign{\smallskip} H$\alpha$ &$ 3.8 \times10^6$ & 0.32 & 0.3\% & 6.38 & 30\% \\ H$\beta$ &$ 1.4 \times10^6$ & 2.22 & 10\% & 5.20 & 12\% \\ \ion{He}{i} D$_3$ & ... & 1.53 & 4\% & 2.77 & 4\% \\ \ion{Ca}{ii} H+K &$ 6.5 \times10^6$ & 0.02 & 0.05\% & 1.21 & 1\% \\ \ion{Ca}{ii} IRT &$ 5.3 \times10^6$ & 0.27 & 0.2\% & 5.18 & 18\% \\ \hline \end{tabular} \end{table}