\begin{table}%t4 \caption{\label{tab:fluxes}Radiative chromospheric losses.} %\centering \small \begin{tabular}{lc} \hline\hline Line & Flux \\ & (erg~cm$^{-2}$~s$^{-1}$) \\ \hline & \\[-8pt] H$\alpha$ & 3.0 $\times$ $10^6$ \\ \ion{Ca}{ii} H+K & 4.7 $\times$ $10^6$ \\ \ion{Ca}{ii} IRT & 4.9 $\times$ $10^6$ \\ \ion{Mg}{ii} h+k & 4.9 $\times$ $10^6$ \\ \hline \end{tabular} \end{table}