\begin{table}%T7 \caption{\label{table:2mass_stars}Reddened 2MASS point sources within the IRDC G304.74.} \vspace*{-2.5mm} \small %\centering \begin{tabular}{ccccccccc} \hline\hline \noalign{\smallskip} & $J$ & $H$ & $K_{\rm s}$ & $J-K_{\rm s}$ & $E_{J-K}$\tablefootmark{a} & $N_{\rm 2MASS}({\rm H_2})$\tablefootmark{b} & $N_{870}({\rm H_2})$ & \\ 2MASS designation & [mag] & [mag] & [mag] & [mag] & [mag] & [$10^{22}$~cm$^{-2}$] & [$10^{22}$~cm$^{-2}$] & $N_{870}/N_{\rm 2MASS}$ \\ \noalign{\smallskip}\hline 13064180-6128529 & $14.15\pm0.04$ & $12.79\pm0.05$ & $12.04\pm0.04$ & $2.11\pm0.06$ & $1.0{-}1.5$ & $0.53{-}0.80$ & 2.3 & $2.9{-}4.3$\\ 13064266-6128213 & $15.98\pm0.08$ & $14.42\pm0.04$ & $13.53\pm0.05$ & $2.44\pm0.10$ & $1.3{-}1.8$ & $0.71{-}0.98$ & 1.4 & $1.4{-}2$\\ 13070908-6124303 & $14.26\pm0.02$ & $11.70\pm0.02$ & $10.39\pm0.02$ & $3.87\pm0.03$ & $2.7{-}3.2$ & $1.5{-}1.7$ & 0.62 &~$\sim$$0.4$\\ \hline \end{tabular} \vspace*{-2mm} \tablefoot{\tablefoottext{a}{Assuming $(J-K)_0=0.63-1.13$ corresponding to spectral classes K0 III-M3 III.}\\ \tablefoottext{b}{Assuming $N({\rm H_2})/E_{J-K}=5.4\times10^{21}~ {\rm cm^{-2}}~ {\rm mag}^{-1}$.}} \end{table}