\begin{table}%t3 \caption{\label{tab3}Summary of the X-ray and optical properties of the X-ray point sources with high mass stellar counterparts. Columns~1$-$3 summarise the X-ray nomenclature, photon counts and Hardness Ratio, noting that only 164706.2-455048 was found to be variable in these observations; we highlight this by presenting the photon count in italics. Column~4 is the number of the source on the finding chart (Fig.~\ref{fig6}); we {\em strongly} advise that these numbers should not form the basis for a new naming convention. Column~5 contains the optical designation (sources with 2MASS or Piatti et~al. (\cite{pbc98}) designations are indicated), with Cols.~6$-$9 presenting relevant broadband {\it BVRI} photometry. The current spectral classifications for the counterparts are given in Col.~10, noting that for those sources for which no entry is given but for which photometric data are available, we predict a spectral classification earlier than~B0.5Ia (Sect.~A.3). Finally, in Col.~11 we flag those stars which Bonanos (\cite{bonanos}) find to be {\bf E}clipsing, {\bf P}eriodic or {\bf A}periodic photometric variables.} \small%\centering \par \begin{tabular}{lccclcccccc} \hline\hline X-ray Identifier & Counts & HR & Finder & Opt. ID & $B$ & $V$ & $R$ & $I$ & Spec Type & Var.? \\ \hline\noalign{\smallskip} 164703.7-455058 & $\rm 27.2^{+ 6.1}_{- 5.8}$ & $\rm -0.15_{-0.21}^{+0.21}$ & 1 & C07-X1 & 20.4 & 18.35 & 16.18 & 13.66 & & \\ 164704.1-455107 & $\rm 80.8^{+ 9.6}_{-10.3}$ & $ 0.34_{-0.11}^{+0.11}$ & 2 & WR L & 22.6 & 18.86 & 15.61 & 12.52 & WN9h: & A \\ 164702.7-455057 & $\rm 14.1^{+ 4.6}_{- 4.0}$ & $\rm -0.21_{-0.31}^{+0.30}$& 3 & W41 & 21.3 & 17.87 & 15.39 & 12.78 & O9-9.5Ia & \\ 164704.4-455109 & $\rm 13.9^{+ 3.8}_{- 4.8}$ & $ 0.02_{-0.31}^{+0.31}$ & 4 & -- & -- & -- & -- & -- & & \\ 164702.6-455050 & $\rm 35.6^{+ 6.1}_{- 6.5}$ & $\rm -0.24_{-0.17}^{+0.17}$ & 5 & W40a & 22.2 & 18.05 & 15.38 & 12.73 & OB SG & \\ 164705.0-455055 & $\rm 43.4^{+ 7.2}_{- 7.4}$ & $\rm -0.79_{-0.11}^{+0.13}$ & 6 & W36 & 22.8 & 18.89 & 16.09 & 13.38 & & E \\ 164702.8-455046 & $\rm 9.0^{+ 4.2}_{- 3.6}$ & $\rm -0.39_{-0.43}^{+0.41}$ & 7 & W38 & 23.2 & 19.10 & 16.47 & 13.81 & & \\ 164705.3-455104 & $\rm 237.5^{+16.1}_{-16.5}$ & 0.21$\rm _{-0.07}^{+0.06}$ & 8 & WR B & -- & 20.99 & 17.50 & 14.37 & WN7o & E \\ 164703.0-455043 & $\rm 10.9^{+ 3.7}_{- 4.9}$ & $\rm -1.00^{+0.55}$ & 9 & -- & -- & -- & -- & -- & & \\ 164702.1-455112 & $\rm 19.3^{+ 5.4}_{- 5.2}$ & $ 0.14_{-0.27}^{+0.27}$ & 10 & W24 & 23.0 & 18.71 & 15.96 & 13.24 & O9-9.5Ia & \\ 164703.4-455039 & $\rm 5.9^{+ 3.2}_{- 4.3}$ & $ 1.00_{-1.03}$& 11 & C07-X2 & 23.1 & 19.55 & 16.71 & 13.95 & & \\ 164704.1-455039 & $\rm 552.2^{+24.9}_{-24.5}$ & $\rm -0.15_{-0.04}^{+0.04}$ & 12 & W30a & 22.4 & 18.45 & 15.80 & 13.20 & O9-B0.5Ia bin & \\ 164702.5-455117 & $\rm 18.0^{+ 4.8}_{- 6.0}$ & $ 0.22_{-0.29}^{+0.30}$ & 13 & W47 & 22.7 & 19.95 & 16.36 & 13.68 & & \\ 164705.1-455041 & $\rm 32.9^{+ 5.8}_{- 6.9}$ & $\rm -0.72_{-0.14}^{+0.15}$ & 14 & W27 & 21.5 & 17.94 & 15.35 & 12.80 & OB SG & \\ 164704.0-455124 & $\rm 19.2^{+ 5.5}_{- 5.1}$ & 0.55$\rm _{-0.25}^{+0.25}$ & 15 & WR G & -- & 20.87 & 17.75 & 14.68 & WN7o & A \\ 164703.3-455034 & $\rm 10.2^{+ 3.8}_{- 3.5}$ & $\rm -0.43_{-0.32}^{+0.34}$ & 16 & W10 & -- & -- & -- & -- & O9-B0.5Ia SB2 & A \\ 164706.2-455048 & {$\it 7.2^{+ 4.0}_{- 3.8}$} & $\rm -1.00^{+0.63}$ & 17 & W17 & 22.7 & 18.87 & 16.19 & 13.56 & & \\ 164704.1-455031 & $\rm 462.2^{+22.7}_{-22.4}$ & $ 0.23_{-0.05}^{+0.05}$ & 18 & W9 & 21.8 & 17.47 & 14.47 & 11.74 & sgB[e] & A \\ 164705.7-455033 & $\rm 11.2^{+ 4.0}_{- 3.6}$ & $\rm -1.00^{+0.36}$ & 19 & W25 & 21.9 & 17.85 & 15.22 & 12.61 & OB SG & A \\ 164706.5-455039 & $\rm 161.2^{+13.6}_{-13.2}$ & $\rm -0.14_{-0.08}^{+0.08}$& 20 & WR U & 23.7 & 19.81 & 16.98 & 13.99 & WN6o & \\ 164703.0-455023 & $\rm 11.1^{+ 3.9}_{- 3.3}$ & $\rm -0.47_{-0.29}^{+0.31}$& 21 & W6 & 22.2 & 18.41 & 15.80 & 13.16 & O9-B0.5Ia bin & P \\ 164706.2-455126 & $\rm 14.3^{+ 4.7}_{- 4.6}$ & $ 1.00_{-0.19}$& 22 & WR D & -- & -- & -- & -- & WN7o & A \\ 164705.7-455133 & $\rm 12.7^{+ 3.6}_{- 4.2}$ & $\rm -0.08_{-0.31}^{+0.31}$ & 23 & 2MASS & -- & -- & -- & -- & & E \\ 164702.5-455137 & $\rm 15.3^{+ 4.5}_{- 4.3}$ & $\rm -0.51_{-0.26}^{+0.27}$& 24 & W62a & -- & -- & -- & -- & O9-9.5Iab & A \\ 164706.6-455029 & $\rm 10.2^{+ 3.7}_{- 3.3}$ & $\rm -0.62_{-0.28}^{+0.30}$ & 25 & W15 & 22.8 & 18.96 & 16.38 & 13.75 & O9-9.5Ia & A \\ 164706.4-455026 & $\rm 18.9^{+ 4.1}_{- 5.2}$ & $ 0.14_{-0.24}^{+0.24}$ & 26 & W13 & 21.1 & 17.19 & 14.63 & 12.06 & BIa$^+$ & E \\ 164706.0-455022 & $\rm 30.8^{+ 5.9}_{- 6.8}$ & $ 0.27_{-0.20}^{+0.20}$& 27 & WR R & -- & -- & -- & -- & WN5o & A \\ 164703.8-455146 & $\rm 12.6^{+ 3.5}_{- 4.0}$ & $ 0.47_{-0.28}^{+0.26}$ & 28 & W65 & 22.9 & 18.73 & 16.27 & 13.68 & & \\ 164659.3-455046 & $\rm 11.3^{+ 3.6}_{- 3.6}$ & $\rm -0.27_{-0.31}^{+0.32}$ & 29 & W1 & 21.9 & 18.37 & 16.09 & 13.65 & & \\ 164700.3-455131 & $\rm 56.7^{+ 7.6}_{- 8.2}$ & $\rm -0.58_{-0.11}^{+0.12}$ & 30 & W53 & 22.9 & 18.51 & 15.80 & 13.13 & & P \\ 164708.3-455045 & $\rm 743.7^{+27.3}_{-27.3}$ & $ 0.19_{-0.04}^{+0.04}$ & 31 & WR A & -- & 19.69 & 16.59 & 13.68 & WN7b & P \\ 164704.5-455008 & $\rm 14.2^{+ 4.2}_{- 3.9}$ & $\rm -0.42_{-0.25}^{+0.27}$ & 32 & C07-X3 & 21.9 & 18.89 & 16.37 & 13.76 & O9-9.5Ia & A \\ 164658.6-455114 & $\rm 15.3^{+ 4.3}_{- 4.1}$ & $\rm -0.07_{-0.27}^{+0.27}$ & 33 & p83 & -- & -- & -- & -- & & \\ 164701.4-455150 & $\rm 9.9^{+ 3.0}_{- 4.0}$ & $\rm -0.43_{-0.33}^{+0.34}$ & 34 & W59 & 23.1 & 18.97 & 16.33 & 13.64 & & \\ 16468.2-455056 & $\rm 12.7^{+ 3.5}_{- 4.1}$ & $\rm -0.18_{-0.29}^{+0.30}$ & 35 & 2MASS & -- & -- & -- & -- & & \\ 164659.0-455028 & $\rm 10.4^{+ 3.4}_{- 3.5}$ & $\rm -1.00^{+0.30}$ & 36 & W84? & 21.3 & 17.82 & 15.60 & 13.63 & & \\ 164707.0-455012 & $\rm 9.3^{+ 3.4}_{- 3.2}$ & $\rm -0.75_{-0.24}^{+0.29}$ & 37 & W74 & -- & -- & -- & -- & O9-9.5Ia & A \\ 164701.0-455006 & $\rm 14.5^{+ 3.9}_{- 4.1}$ & $\rm -0.43_{-0.25}^{+0.26}$ & 38 & -- & -- & -- & -- & -- & & \\ 164708.9-455029 & $\rm 8.7^{+ 3.2}_{- 3.8}$ & $\rm -0.09_{-0.42}^{+0.40}$ & 39 & 2MASS & -- & -- & -- & -- & & \\ 164658.8-455145 & $\rm 14.5^{+ 3.9}_{- 4.2}$ & $\rm -0.02_{-0.28}^{+0.28}$ & 40 & W56b & 22.8 & 18.88 & 16.36 & 13.76 & & \\ 164707.8-455147 & $\rm 14.5^{+ 3.9}_{- 4.2}$ & $ 0.40_{-0.27}^{+0.25}$ & 41 & -- & -- & -- & -- & -- & & A \\ 164705.9-455208 & $\rm 8.0^{+ 4.0}_{- 3.3}$ & $\rm -0.57_{-0.40}^{+0.39}$ & 42 & WR E & -- & -- & -- & -- & WC9 & A \\ 164702.7-455212 & $\rm 12.3^{+ 3.8}_{- 3.7}$ & $\rm -0.02_{-0.31}^{+0.30}$ & 43 & C07-X4 & 23.5 & 19.29 & 16.69 & 14.09 & O9-9.5Iab & \\ 164705.2-455224 & $\rm 109.6^{+10.9}_{-11.3}$ & $ 0.63_{-0.08}^{+0.08}$& 44 & WR F & 21.7 & 17.86 & 15.39 & 12.90 & WC9d & A \\ 164706.9-454940 & $\rm 12.6^{+ 3.6}_{- 4.0}$ & $\rm -0.33_{-0.28}^{+0.29}$ & -- & -- & -- & -- & -- & -- & & A \\ 164702.3-455233 & $\rm 9.9^{+ 2.8}_{- 3.8}$ & $\rm -0.54_{-0.28}^{+0.31}$ & 45 & C07-X5 & 22.6 & 18.96 & 16.43 & 13.81 & & \\ 164701.4-455235 & $\rm 11.9^{+ 3.1}_{- 4.2}$ & $\rm -0.25_{-0.29}^{+0.30}$ & 46 & C07-X6 & 21.3 & 17.53 & 15.25 & 12.85 & & A \\ 164711.5-455000 & $\rm 5.1^{+ 3.1}_{- 2.5}$ & $ 1.00_{-0.49}$ & -- & -- & -- & -- & -- & -- & & \\ 164707.6-455235 & $\rm 54.5^{+ 7.7}_{- 8.1}$ & $ 0.07_{-0.14}^{+0.14}$ & -- & WR O & -- & -- & -- & -- & WN6o & A \\ 164707.6-454922 & $\rm 21.1^{+ 5.2}_{- 4.8}$ & $ 0.72_{-0.19}^{+0.16}$ & 47 & WR W & -- & -- & -- & -- & WN6h & \\ 164654.2-455154 & $\rm 9.7^{+ 3.0}_{- 3.6}$ & $-0.54_{-0.29}^{+0.32}$ & -- & C07-X7 & 23.6 & 18.93 & 16.08 & 13.26 & & \\ 164707.8-455147 & $\rm 14.5^{+ 3.9}_{- 4.2}$ & $\rm 0.40_{-0.27}^{+0.25}$ & -- & -- & -- & -- & -- & -- & & \\ 164659.8-455525 & $\rm 11.3^{+ 3.7}_{- 3.6}$ & $\rm 0.57_{-0.29}^{+0.25}$ & -- & WR N & -- & -- & 16.9 & 13.0 & WC9d & \\ \hline \end{tabular} \end{table}