Table 3: Contribution of the different types of stars to the ionising fluxes.
Type of star Number of stars $Q_{\rm H}$ % $Q_{\rm H}$ total   $Q_{He {\sc i}}$ % $Q_{He {\sc i}}$ total
    [s-1]     [s-1]  
OB V 23 $3.1\times 10^{48}$ 0.5   $2.6\times 10^{46}$ 0.1
OB I 30 $3.0\times 10^{50}$ 50.0   $6.7\times 10^{48}$ 29.1
Ofpe/WN9 8 $2.5\times 10^{49}$ 4.2   $3.4\times 10^{48}$ 14.8
WN 9 $1.1\times 10^{50}$ 18.3   $7.0\times 10^{48}$ 30.4
WN/C 2 $2.0\times 10^{49}$ 3.3   $1.1\times 10^{48}$ 4.8
WC 13 $1.5\times 10^{50}$ 25.0   $4.7\times 10^{48}$ 20.4
Total   $6.0\times 10^{50}$     $2.3\times 10^{49}$  

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