\begin{table}%t3 \caption{Ionising stars of the SFO objects, their relevant HII~regions, positions and ionising fluxes.}\label{tbl:istars1} %\centering \begin{tabular}{ccccccc} \hline \hline \multicolumn{1}{c}{SFO object} & \multicolumn{1}{c}{HII region} & \multicolumn{1}{c}{Ionising star} & \multicolumn{1}{c}{$\alpha$} & \multicolumn{1}{c}{$\delta$} & \multicolumn{1}{c}{Spectral} & \multicolumn{1}{c}{ Projected distance}\\ &{}&{}&(2000)&(2000)&Type & to bright rim (Pc) \\ \hline 1 &(S171/NGC 7822) & BD +66 1675$^{a}$ & 00 02 10.3 & +67 24 32 & O7V & 3.7 \\ 2 &(S171/NGC 7822) & BD +66 1675 & 00 02 10.3 & +67 24 32 & O7V & 16.9 \\ 3 &(S171/NGC 7822) & BD +66 1675 & 00 02 10.3 & +67 24 32 & O7V & 5.3 \\ 4 &(S185) & HD 5394$^{b}$ & 00 56 42.3 & +60 43 00 & B0IV & 1.1 \\ 5 &(S190/IC 1805) & BD +60 502$^{c}$ & 02 32 42.5 & +61 27 22 & O5V & 14.9 \\ & & BD +60 504$^{c}$ & 02 32 49.4 & +61 22 42 & O4V & 16.1 \\ & & BD +60 507$^{c}$ & 02 33 20.6 & +61 31 18 & O5V & 17.1 \\ 6 &(S190/IC 1805) & BD +60 504 & 02 32 49.4 & +61 22 42 & O4V & 20.5 \\ 7 &(S190/IC 1805) & BD +60 502 & 02 32 42.5 & +61 27 22 & O5V & 14.6 \\ & & BD +60 504 & 02 32 49.4 & +61 22 42 & O4V & 16.6 \\ & & BD +60 507 & 02 33 20.6 & +61 31 18 & O5V & 11.4 \\ 8 &(S190/IC 1805) & BD +60 502 & 02 32 42.5 & +61 27 22 & O5V & 12.4 \\ & & BD +60 504 & 02 32 49.4 & +61 22 42 & O4V & 11.3 \\ & & BD +60 507 & 02 33 20.6 & +61 31 18 & O5V & 11.1 \\ 9 &(S190/IC 1805) & BD +60 502 & 02 32 42.5 & +61 27 22 & O5V & 15.0 \\ & & BD +60 504 & 02 32 49.4 & +61 22 42 & O4V & 14.4 \\ & & BD +60 507 & 02 33 20.6 & +61 31 18 & O5V & 13.1 \\ 10 &(S199/IC 1848) & HD 17505$^{d}$ & 02 51 08.0 & +60 25 04 & O6V & 12.3 \\ 11 &(S199/IC 1848) & HD 17505 & 02 51 08.0 & +60 25 04 & O6V & 11.9 \\ 12 &(S199/IC 1848) & BD +60 586$^{d}$ & 02 54 10.7 & +60 39 03 & O8III & 3.9 \\ 13 &(S199/IC 1848) & BD +59 578$^{d}$ & 02 59 23.2 & +60 33 59 & O7V & 7.0 \\ 14 &(S199/IC 1848) & BD +59 578 & 02 59 23.2 & +60 33 59 & O7V & 8.6 \\ 15 &(S236/IC 410) & HD 242908$^{e}$ & 05 22 29.3 & +33 30 50 & O5V & 22.1 \\ & & HD 242926$^{e}$ & 05 22 40.1 & +33 19 10 & O6V & 12.0 \\ 16 &(S276) & $\delta$ Ori$^{f}$ & 05 32 04.1 & +00 21 55 & O9.5I & 37.3 \\ & & $\theta^{1}$ Ori$^{f}$ & 05 35 15.5 & --05 23 19 & O7V & 26.7 \\ & & $\iota$ Ori$^{f}$ & 05 35 26.8 & --05 54 31 & O8.5II & 26.9 \\ 17 &(S264/$\lambda$ Ori) & $\lambda$ Ori$^{f}$ & 05 35 08.2 & +09 56 04 & O5V & 16.3 \\ 18 &(S264/$\lambda$ Ori) & $\lambda$ Ori & 05 35 08.2 & +09 56 04 & O5V & 17.0 \\ 19 &(S277/IC 434) & HD 37468$^{g}$ & 05 38 44.8 & --02 36 01 & O9.5V & 13.3 \\ 20 &(S277/IC 434) & HD 37468 & 05 38 44.8 & --02 36 01 & O9.5V & 8.3 \\ 21 &(S277/IC 434) & HD 37468 & 05 38 44.8 & --02 36 01 & O9.5V & 7.1 \\ 22 &(S281) & $\theta^{1}$ Ori$^{h}$ & 05 35 15.5 & --05 23 19 & O7V & 6.5 \\ & & $\iota$ Ori$^{h}$ & 05 35 26.8 & --05 54 31 & O8.5II & 8.1 \\ \hline 23 &(S249) & BD +22 1303$^{i}$ & 06 22 58.2 & +22 51 46 & O9V & 8.3 \\ 24 &(S275/NGC 2244) & HD 46223$^{j}$ & 06 32 09.3 & +04 49 25 & O5V & 19.3 \\ 25 &(S273/NGC 2264) & HD 47839$^{k}$ & 06 40 58.6 & +09 53 45 & O7V & 4.7 \\ 26 &(S296/CMaOBI) & HD 54662$^{l}$ & 07 09 20.2 & --10 20 48 & O7III & 29.7 \\ 27 &(S296/CMaOBI) & HD 53456$^{l}$ & 07 04 38.3 & --11 31 27 & BOV & 3.9 \\ 28 &(S296/CMaOBI) & HD 53367$^{l}$ & 07 04 25.5 & --10 27 16 & B0IV & 2.1 \\ 29 &(S296/CMaOBI) & HD 53975 & 07 06 36.0 & --12 23 38 & O7.5V & 9.5 \\ 30 &(S49) & BD -13 4927$^{e}$ & 18 18 40.1 & --13 45 18 & O5V & 1.0 \\ 31 &(S117) & HD 199579$^{m}$ & 20 56 34.7 & +44 55 29 & O6V & 20.5 \\ 32 &(S131/IC 1396) & HD 206267$^{n}$ & 21 38 57.6 & +57 29 21 & O6V & 11.3 \\ 33 &(S131/IC 1396) & HD 206267 & 21 38 57.6 & +57 29 21 & O6V & 10.5 \\ 34 &(S131/IC 1396) & HD 206267 & 21 38 57.6 & +57 29 21 & O6V & 12.1 \\ 35 &(S131/IC 1396) & HD 206267 & 21 38 57.6 & +57 29 21 & O6V & 14.5 \\ 36 &(S131/IC 1396) & HD 206267 & 21 38 57.6 & +57 29 21 & O6V & 4.9 \\ 37 &(S131/IC 1396) & HD 206267 & 21 38 57.6 & +57 29 21 & O6V & 11.9 \\ 38 &(S131/IC 1396) & HD 206267 & 21 38 57.6 & +57 29 21 & O6V & 10.4 \\ 39 &(S131/IC 1396) & HD 206267 & 21 38 57.6 & +57 29 21 & O6V & 12.6 \\ 40 &(S131/IC 1396) & HD 206267 & 21 38 57.6 & +57 29 21 & O6V & 13.4 \\ 41 &(S131/IC 1396) & HD 206267 & 21 38 57.6 & +57 29 21 & O6V & 13.5 \\ 42 &(S131/IC 1396) & HD 206267 & 21 38 57.6 & +57 29 21 & O6V & 14.1 \\ 43 &(S142/NGC 7380) & HD 215835 & 22 46 54.2 & +58 05 04 & O5V & 5.4 \\ 44 &(S145) & HD 213023$^{o}$ & 22 26 52.4 & +63 43 05 & O9V & 8.5 \\ & & BD 62 2078$^{p}$ & 22 25 33.6 & +63 25 03 & O7.5V & 13.8 \\ \hline \end{tabular} \medskip Stars found to be at similar distances to, formally declared to be associated with or described as "probable members'' of relevant HII~regions in the following references: $^{a}$ \citet{CF}; $^{b}$ \citet{SDBB}; $^{c}$ \citet{I}; $^{d}$ \citet{HVV}; $^{e}$ \citet{H}; $^{f}$ \citet{RO}; $^{g}$ \citet{K}; $^{h}$ \citet{OD}; $^{i}$ \citet{HSG}; $^{j}$ \citet{OI}; $^{k}$ \citet{G}; $^{l}$~\citet{C}; $^{m}$ \citet{BS}; $^{n}$ \citet{M}; $^{o}$ \citet{Ch}; $^{p}$ \citet{S}. \end{table}