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Table 6
O-type star parameters for luminosity class III.
| SpT | T eff | B C V | log q0 | L EUV | ν∞ |
| (kK) | (mag) | (ph cm-2 s-1) | (LBol) | (km s-1) | |
|
|
|||||
| O2 | 49.6 | −4.34 | 24.78 | 0.65 | 3200 |
| O3 | 47.0 | −4.20 | 24.67 | 0.58 | 3200 |
| O3.5 | 44.0 | −4.01 | 24.54 | 0.50 | 2600 |
| O4 | 42.4 | −3.90 | 24.46 | 0.46 | 2600 |
| O5 | 40.3 | −3.75 | 24.34 | 0.40 | 2800 |
| O5.5 | 39.2 | −3.67 | 24.27 | 0.37 | 2700 |
| O6 | 38.2 | −3.58 | 24.20 | 0.33 | 2600 |
| O6.5 | 37.1 | −3.50 | 24.12 | 0.30 | 2600 |
| O7 | 36.1 | −3.41 | 24.03 | 0.27 | 2600 |
| O7.5 | 35.0 | −3.32 | 23.93 | 0.23 | 2200 |
| O8 | 34.0 | −3.23 | 23.82 | 0.20 | 2100 |
| O8.5 | 32.9 | −3.13 | 23.70 | 0.16 | 2300 |
| O9 | 31.8 | −3.03 | 23.58 | 0.12 | 1900 |
| O9.5 | 30.8 | −2.93 | 23.44 | 0.08 | 1500 |
| O9.7 | 30.4 | −2.89 | 23.38 | 0.07 | 1200 |
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