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Table 4

Stellar parameters of the three components.

Parameters Primary Secondary Tertiary

Sp. type O3V((f))/ O5.5–6V((f)) O6.5–7V((f))
O3.5V((f+))
Teff [K] 46500 ± 1000 40000 ± 1000 36000 ± 1000
R [R]
log g [cgs] 4.00 ± 0.10 4.00 ± 0.10 3.50 ± 0.25
Mspec [M]
Mevol [M]
M   sin3i [M] 27.7 ± 0.4 17.5 ± 0.3
N/H [× 10-4] 8.0  ±  4.0 3.0  ±  1.5 3.0  ±  2.0
V sini [km s-1] 171  ±  20 136  ±  20 72  ±  10
vmac [km s-1] 65  ±  10 41  ±  10 14  ±  5
[M yr-1] 1.0 × 10-6 7.0 × 10-8 3.0 × 10-9
v [km s-1] 3500 ± 100 2500 ± 100 1200 ± 100

Notes. The given errors correspond to 1-σ. The solar abundance for nitrogen is N/H = 0.6 × 10-4.

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