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Table 1

Parameter space covered by the model atmosphere calculations used in the present work.

Parameter Abbreviation Covered range
Effective temperature Teff 35–14 kK
Surface gravity log 𝑔 1.7–1.14 dex
Microturbulence ξ 0–30 km s−1
Helium abundance(1) YHe 0.10–0.30
Silicon abundance(2) si 7.00–8.00
Wind strength(3) –log Q 14.0–12.5
Mass-loss rate(4) M (6.10−0.02)×10−6
Wind terminal velocity v 2700−570 km s−1
Exponent of the wind β 0.8–3.0
velocity law

Notes.(1) YHe=N(He)N(H)${Y_{{\rm{He}}}} = {{N({\rm{He}})} \over {N({\rm{H}})}}$ (2) ϵSi=12+log(N(Si)N(H))${_{{\rm{Si}}}} = 12 + \log \left( {{{N({\rm{Si}})} \over {N({\rm{H}})}}} \right)$. (3) log Q values calculated in units of M a−1, km s−1, and R. (4) In units of M a−1.

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