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Table 5

Spectral classification using the Conti-Mathys criterion and the Walborn & Fitzpatrick atlas.

Stars Combined spectra Individual spectra W&F atlas Observational analysis

Model E11 O3 O3 O3-4 (IV)-V O3V
Model E12 O7.5I O7I O8-8.5 III-(V) O8V
Model E21 O5.5 O4 O5-6 (I)-III O5.5I
Model E22 O4 O4 O7-8 III-(V) O7V
Model E31 O6I O5.5I O6.5-7 III-(V) O6.5V
Model E32 O6.5I O7I O8.5 V O8.5V
Model E41 O8I O8.5III O9-9.5 (III)-V O9III
Model E42 O9III O9.5V O9.5-9.7 III-(V) O9.7V
Model E51 O6.5I O7I O7-8 III-(V) O7III
Model E52 O7I O7I O7.5-8.5 (III)-V O7.5III

Notes. 

(1)

Primary.

(2)

Secondary.

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