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Table 4

Spectral classification using the Conti-Mathys criterion.

Stars Combined spectra Individual spectra Disentangled spectra Observational analysis

Model 11 O6.5I O6.5I O6.5I O7V
Model 12 O6.5I O6.5I O6.5I O7.5V
Model 21 O7.5I O7.5I O7.5I O6V
Model 22 O7.5I O8I O8III O6.5V
Model 31 O8.5V O8.5V O8.5V O7.5V
Model 32 O9.5V O9.7V O9.7V O9.5V
Model 41 O8.5I O8.5III O8.5III O9III (or V)
Model 42 B-star B-star B-star B1III (or V)
Model 51 O9III O9V O9V O8III
Model 52 O9.5V O9.5V O9.5V O9.5III

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