\begin{table}%t5
\caption{\label{O6_2mass}Details of 2MASS PSC sources lying above the reddening vector of 
the ZAMS spectral type O6 in the 2MASS ($J-H$ vs. $J$) CM~diagram and lying within 
the 30\% contour of the radio peak
 at 843~MHz (see Fig.~\ref{jhk_igi} and text for details).}
\small%\centering
\par
\begin{tabular}{c c c c c c} 
\hline \hline
2MASS PSC & $\alpha_{2000}$ & $\delta_{2000}$ & $J$ & H & $K_{\rm s}$\\
designation  & (deg) & (deg) & (mag) & (mag) & (mag) \\ 
\hline
J14450407-5948596 & 221.266960 & --59.816566 & $11.17\pm0.02$ & $9.80\pm0.02$ 
& $9.33\pm0.03$ \\
J14450584-5949317 & 221.274341 & --59.825478 & $11.83\pm0.02$ & $10.22\pm0.02$  & $9.44\pm0.02$ \\
J14451702-5949336 & 221.320956 & --59.826023 & $13.40\pm0.03$ & $10.31\pm0.03$ &
 $8.84\pm0.03$ \\
J14451788-5949360 & 221.324514 & --59.826691 & $15.88\pm0.19$ & $13.11\pm0.08$ &  $11.66\pm0.08$ \\
J14452143-5949251 & 221.339322 & --59.823666 & $14.12\pm0.04$ & $10.95\pm0.03$ &  $9.30\pm0.02$ \\
J14452450-5950084 & 221.352090 & --59.835682 & $14.26\pm0.04$ & $10.43\pm0.02$ &  $8.58\pm0.02$ \\
\hline
\end{tabular}
\end{table}