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Table 7

O-type star parameters for luminosity class I.

SpT T eff B C V log q0 L EUV ν
(kK) (mag) (ph cm-2 s-1) (LBol) (km s-1)

O2 46.0 −4.10 24.63 0.60 3000
O3 42.0 −3.88 24.45 0.52 3700
O3.5 41.1 −3.81 24.40 0.50 2000
O4 40.1 −3.75 24.35 0.48 2300
O5 38.3 −3.61 24.23 0.43 1900
O5.5 37.3 −3.53 24.17 0.40 1900
O6 36.4 −3.45 24.10 0.38 2300
O6.5 35.4 −3.37 24.03 0.35 2200
O7 34.5 −3.28 23.95 0.32 2100
O7.5 33.6 −3.20 23.86 0.29 2000
O8 32.6 −3.10 23.77 0.25 1500
O8.5 31.7 −3.01 23.67 0.22 2000
O9 30.7 −2.91 23.56 0.18 2000
O9.5 29.8 −2.81 23.45 0.15 1800
O9.7 29.4 −2.77 23.40 0.13 1800

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