\begin{table}%t2 \caption{\label{tab:targets}List of targets.} %\centerline {\small \begin{tabular}{lcllcccl} \hline \hline\noalign{\smallskip} ID & Spectral type & RA (J2000) & Dec (J2000) & $R^{a}$&$I^{a}$& Field$^{b}$ &Notes$^{c}$\\ \hline &&&&&&&\\ W2a & B2Ia$^{e}$ & 16 46 59.71 & --45 50 51.1 & 14.23 & 11.73 & Br. & A\\ W8b & B1.5Ia$^{e}$ & 16 47 04.95 & --45 50 26.7 & -- & -- & Br. & \\ W13 & B0.5Ia$^{+}$+OB$^{e}$ & 16 47 06.45 & --45 50 26.0 & 14.63 & 12.06 & Br. & X, E (9.20 day)\\ W21 & B0.5Ia$^{e}$ & 16 47 01.10 & --45 51 13.6 & 15.56 & 12.74 & Br. & A\\ W23a & B1.5Ia$^{e}$ & 16 47 02.57 & --45 51 08.7 & 14.91 & 12.07 & Br. & A\\ W30a & O9--B0.5Ia bin$^{f}$ & 16 47 04.11 & --45 50 39.0 & 15.80 & 13.20 & Br. & X\\ W43a & B0Ia$^{e}$ & 16 47 03.54 & --45 50 57.3 & 15.22 & 12.26 & Br. & A\\ W55 & B0Iab$^{g}$ & 16 46 58.40 & --45 51 31.2 & 15.25 & 12.67 & Br./1 & A\\ W60 & B0Iab$^{e}$ & 16 47 04.13 & --45 51 52.1 & 15.96 & 13.28 & Br. & A\\ W71 & B2.5Ia$^{e}$ & 16 47 08.44 & --45 50 49.3 & 14.06 & 11.16 & Br./1 & A\\ W78 & B1Ia$^{e}$ & 16 47 01.54 & --45 49 57.8 & 14.54 & 12.04 & Br. & A\\ W84 & O9.5Ib$^{e}$ & 16 46 59.03 & --45 50 28.2 & 15.60 & 13.63 & Br. & X?\\ W234 & O9.5Ib & 16 47 01.44 & --45 52 35.0 & -- & -- & Br./1 & \\ W239 (F) & WC9d$^{g}$ & 16 47 05.21 & --45 52 25.0 & 15.39 & 12.90 & Br. & X, A\\ W243 & LBV (A3Ia$^{+}$)$^{h}$ & 16 47 07.55 & --45 52 28.5 & -- & -- & Br. & A\\ W265 & F5Ia$^{+ g}$ & 16 47 06.26 & --45 49 23.7 & 13.62 & 10.54 & Br. & A\\ W373 & B0Iab & 16 46 57.71 & --45 53 20.0 & \textit{14.74} & \textit{12.32} & Br. & A\\ W3002 & B0Iab & 16 46 54.24 & --45 51 54.7 & -- & -- & Br. & \\ W3003 & B0Ib & 16 47 11.60 & --45 49 22.4 & \textit{16.21} & \textit{13.31} & Br. & A\\ W3004 & B0Iab & 16 47 13.39 & --45 49 10.5 & \textit{15.96} & \textit{12.99} & Br. & A\\ W3005 & O9.5Ib & 16 47 01.69 & --45 52 57.8 & \textit{15.39} & \textit{12.97} & Br. & A\\ F1$^{d}$ & M2II-III & 16 46 57.84 & --45 52 18.5 & -- & -- & Br. & Field\\ %\hline W6a & O9--B0.5Ia bin$^{f}$ & 16 47 03.04 & --45 50 23.6 & 15.80 & 13.16 & 1 & X, P (2.20 day)\\ W15 & O9Ib$^{e}$ & 16 47 06.63 & --45 50 29.7 & 16.38 & 13.75 & 2 & X, A\\ W17 & O9Iab$^{e}$ & 16 47 06.25 & --45 50 49.2 & 16.19 & 13.56 & 1 & X\\ W57a & B4Ia$^{e}$ & 16 47 01.35 & --45 51 45.6 & 13.83 & 11.13 & 1 & A\\ \hline \end{tabular}} \medskip $^{a}$~Photometric \textit{R} and $I$-band photometric magnitudes are taken from \cite{cncg05} or \cite{bonanos07} where available. Values from \cite{bonanos07} are listed in italics; $^{b}$~targets are listed as \textit{Br.} for members of the \textit{bright} list, or 1\dots3 for the \textit{faint} target lists. The stars W6a, W15, W17 and W57a are not included in our main target list, but are discussed in the text; $^{c}$~stars are noted as {E}clipsing, {P}eriodic or {A}periodic variables \citep{bonanos07} and/or {X}-ray sources \citep{clark08}; $^{d}$~the target F1 is a foreground star, and not a member of Wd1. References: $^{e}$ \cite{neg08, neg09a}; $^{f}$ \cite{clark08}; $^{g}$ \cite{cncg05}; $^{h}$ \cite{ritchie09}. \end{table}