\begin{table}%t1 \par \caption{\label{estimatorsIBall}\sfs\ estimators which do not depend on \ebv.} %\centering \par \begin{tabular}{cccc} \hline\hline\noalign{\smallskip} Magnitude & IB ($4$~Myr) & IB ($5$~Myr) & IB ($6$~Myr) \\ \hline \noalign{\smallskip} \nlyc\ (s$^{-1}$~\msun$^{-1}$)& $6.7\times 10^{-47}$ & $1.0\times 10^{-46}$ & $4.5\times 10^{-46}$ \\ \lradio\ (\ergs\ Hz$^{-1}$~\msun$^{-1}$) & $7.9\times 10^{-22}$ & $7.9\times 10^{-22}$ & $9.5\times 10^{-22}$ \\ \lsx\ (\ergs~\msun$^{-1}$) & -- & $2\times 10^{-34}$ & -- \\ \noalign{\smallskip}\hline \end{tabular} \end{table}