\begin{table} \caption{\label{results for individual stars}Spectral classification, photometric data, reddening, and heliocentric distance for individual stars.} %\centerline {\small \begin{tabular}{llllllllllllll} \hline\hline \multicolumn{3}{c}{Star designation} & &\multicolumn{3}{c}{Spectral type}& & $ V $ &$(B-V)$&$E(B-V)$& $A_V$ & $R_V$ & $d$ (kpc) \\ \cline{1-3}\cline{5-7} \noalign{\smallskip} Our & 2MASS & Simbad & & Our & Lit. & Ref & & & & & & & \\ \hline \noalign{\smallskip} % Bran~186-1 & J08484314-4254183 & Cl* Trumpler 10 STOCK 724 & & Cold & & & & & & & & & \\ Bran~186-2 & J08484813-4254208 & Cl* Trumpler 10 STOCK 732 & & Cold & & & & & & & & & \\ Bran~186-3 & J08483905-4253539 & Cl* Trumpler 10 STOCK 711 & & B0 V & & & & 10.80 & 0.50 & 0.76 &$2.28\pm0.90$& 3.00 & $3.05\pm1.45$\\ Bran~186-4 & J08483546-4254315 & Cl* Trumpler 10 STOCK 694 & & F8: & & & & & & & & & \\ Bran~186-5 & J08484331-4254330 & & & Cold & & & & & & & & & \\ % NGC~2626-1 & J08353144-4040190 & CD-40 4427 & & B1 V & B1 V & [1] & & 9.92 & 0.47 & 0.70 &$2.73\pm0.37$& 3.90 & $1.20\pm0.34$\\ & & & & & B1 IV & [2] & & & & & & & \\ % RCW~32-1 & J08444032-4116378 & HD 74804 & & B0 V & B0 V & [2] & & 7.32 & 0.33 & 0.59 &$2.10\pm0.23$& 3.56 & $0.67\pm0.17$\\ & & & & & B4 II & [3] & & & & & & & \\ & & & & & B5 V & [4] & & & & & & & \\ & & & & & B1 V & [5] & & & & & & & \\ % NGC~3503-1 & J11011717-5951019 & & & B2 V & B2 V & [1] & & 11.40 & 0.20 & 0.41 &$1.55\pm0.33$& 3.75 & $2.90\pm0.80$\\ NGC~3503-2 & J11011780-5950302 & & & B0 V & B0 V & [1] & & 10.49 & 0.22 & 0.48 &$2.10\pm0.55$& 4.37 & $2.88\pm0.99$\\ NGC~3503-3 & J11011823-5950578 & Cl Pismis 17 3 & & B2 V & B2 V & [1] & & 11.40 & 0.22 & 0.43 &$1.60\pm0.17$& 3.73 & $2.85\pm0.70$\\ NGC~3503-4 & J11011924-5950565 & CPD-59 2945s & & B2 V & B2 V & [1] & & 11.37 & 0.23 & 0.44 &$1.62\pm0.06$& 3.72 & $2.78\pm0.65$\\ NGC~3503-5 & J11005926-5950308 & & & B8 V & & & & 13.03 & 0.38 & 0.49 &$1.55\pm0.10$& 3.14 & $2.17\pm0.51$\\ % RCW~55-1 & J10563886-6301028 & VdBH 45c & & B0 V & B0 V & [6] & & 11.51 & 0.44 & 0.70 &$2.07\pm0.35$& 2.97 & $4.66\pm1.31$\\ RCW~55-2 & J10564031-6301044 & VdBH 45 F & & B2.5 V & & & & 13.81 & 0.55 & 0.75 &$2.39\pm0.16$& 3.19 & $4.84\pm1.18$\\ RCW~55-3 & J10563219-6259584 & VdBH 45 K & & B1 V & & & & 12.14 & 0.48 & 0.71 &$2.01\pm0.28$& 2.83 & $4.64\pm1.23$\\ RCW~55-4 & J10564220-6301166 & VdBH 45d & & O8 V & O6 & [7] & & 10.69 & 0.45 & 0.73 &$2.22\pm0.50$& 3.03 & $4.36\pm1.42$\\ RCW~55-5 & J10564016-6258463 & & & B2.5 V & & & & 12.36 & 0.58 & 0.78 &$2.10\pm0.47$& 2.69 & $2.84\pm0.90$\\ RCW~55-6 & J10562699-6300003 & & & B8 IV & & & & 13.21 & 0.51 & 0.61 &$1.67\pm0.32$& 2.73 & $2.80\pm0.77$\\ RCW~55-7 & J10563227-6300475 & VdBH 45b & & B1 V & B1 Vp & [1] & & 11.31 & 0.48 & 0.71 &$2.13\pm0.33$& 3.00 & $2.99\pm0.83$\\ % RCW~87-1 & J15050977-5732186 & & & B4 V & & & & 11.61 & 0.41 & 0.57 &$2.30\pm0.13$& 4.04 & $1.39\pm0.33$\\ RCW~87-2 & J15053604-5732587 & & & B9 III & & & & 11.84 & 0.54 & 0.61 &$2.31\pm0.16$& 3.81 & $1.06\pm0.26$\\ RCW~87-3 & J15051528-5731251 & & & Cold & & & & & & & & & \\ % RCW~98-1 & J15560198-5440532 & HIP 77994 & & O9 V & O9.5 IV & [2] & & 10.49 & 0.47 & 0.75 &$2.86\pm0.11$& 3.79 & $2.62\pm0.62$\\ RCW~98-2 & J15554096-5441138 & [OM80] 140 & & O9.5 V & & & & 12.41 & 0.81 & 1.08 &$4.52\pm0.31$& 4.18 & $2.61\pm0.71$\\ RCW~98-3 & J15554264-5439018 & & & B2.5 V & & & & 12.95 & 0.57 & 0.77 &$2.90\pm0.12$& 3.77 & $2.58\pm0.61$\\ % RCW~99-1 & J15593844-5345149 & & & O7 III & & & & 13.22 & 1.69 & 1.98 &$6.12\pm1.30$& 3.09 & $3.57\pm2.29$\\ RCW~99-2 & J15593874-5344440 & & & B2 V & & & & 12.43 & 0.47 & 0.68 &$2.16\pm0.51$& 3.16 & $3.53\pm1.17$\\ RCW~99-3 & J15595452-5344468 & & & A7: V: & & & & & & & & & \\ RCW~99-4 & J15593115-5344325 & & & F3 V & & & & & & & & & \\ % NGC~6334-1 & J17194504-3605469 & HD 319703B & & & O6.5 V & [8] & & 11.47 & 1.10 & 1.39 &$5.42\pm1.00$& 3.89 & $1.62\pm0.84$\\ NGC~6334-2 & J17194616-3605522 & HD 319703A & & O7 III & O7.5 III& [8] & & 10.73 & 1.02 & 1.31 &$5.13\pm0.26$& 3.92 & $1.79\pm0.47$\\ NGC~6334-3 & J17205268-3604206 & HD 156738 & & & O6.5 III& [8] & & 9.37 & 0.86 & 1.15 &$3.94\pm0.24$& 3.41 & $1.70\pm0.44$\\ NGC~6334-4 & J17193042-3542362 & HD 319699 & & & O5 V & [8] & & 9.63 & 0.77 & 1.07 &$3.66\pm0.45$& 3.42 & $1.88\pm0.59$\\ NGC~6334-5 & J17200509-3556416 & LS 4087 & & B0.5 V & & & & 11.22 & 1.18 & 1.42 &$3.79\pm0.53$& 2.67 & $1.69\pm0.56$\\ NGC~6334-6 & J17205061-3551459 & HD 319702 & & & O8 III & [8] & & 10.13 & 0.90 & 1.17 &$4.00\pm0.10$& 3.42 & $2.19\pm0.52$\\ \hline \end{tabular}} \tablebib{[1] \citet{Herbst 1975}, [2] \citet{Crampton 1971}, [3] \citet{Houk 1978}, [4] \citet{Buscombe 1969}, [5] \citet{Georgelin et al 1973}, [6] \citet{Avedisova & Kondratenko 1984}, [7] \citet{Georgelin & Georgelin 1970b}, [8] \citet{Walborn 1982}.} \tablefoot{$UBV$ stellar photometry for \object{Bran~186}, \object{NGC~2626}, and \object{RCW~32} from \citet{Stock 1984}, \citet{Denoyelle 1977}, and \citet{Corben et al 1972}, respectively.} \end{table}