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Table 4.

Mass-loss rates calculated using the observed flux densities at 3 mm.

Source Spectral type Teff v
kK (km s−1) (M yr−1)
WR J WN5h 60 1500 1.62e−05
WR R WN5o 60 1500 2.65e−05
WR O WN6o 70 1800 3.92e−05
WR U WN6o 70 1800 3.41e−05
WR Q WN6o 70 1800 2.73e−05
WR A WN7b+OB? 50 1300 7.19e−05
WR D WN7o 50 1300 2.07e−05
WR B WN7o+OB? 50 1300 3.99e−05
WR G WN7o 50 1300 2.22e−05
WR P WN7o 50 1300 1.92e−05
WR I WN8o 45 1000 3.55e−05
WR V WN8o 45 1000 2.34e−05
WR L WN9h+OB? 32 700 3.82e−05
WR S WN10−11h 25 400 5.18e−06
W13 WN9−10h 28.5 500 5.52e−06
WR K WC8 63 1700 3.22e−05
WR E WC9 45 1200 5.24e−05
WR F WC9d+OB? 45 1200 7.36e−05
WR C WC9d 45 1200 2.74e−05
WR H WC9d 45 1200 3.29e−05
WR M WC9d 45 1200 3.57e−05
W25 09Iab 31.5 2100 8.25e−06
W43a B0Ia 27.5 1500 5.50e−06
W61a B0.5Ia 26.5 1350 3.65e−06
W46a B1 Ia 22 725 3.65e−06
W56a B1.5Ia 21 500 1.45e−06
W52 B1.5Ia 21 500 1.50e−06
W8b B1.5Ia 21 500 1.81e−06
W28 B2Ia 19 550 2.57e−06
W2a B2Ia 19 550 1.66e−06
W11 B2Ia 19 550 1.59e−06
W23a B2Ia+BSG 18 400 3.19e−06
W71 B2.5Ia 19 550 2.78e−06
W33 B5Ia+ 13 300 2.57e−06
W7 B5Ia+ 13 300 3.64e−06
W42a B9Ia+ 10 200 1.92e−06

Notes. Adopted parameters are d = 5 kpc, Z = 1, γ = 1, Twind = 0.5 × Teff. For the WR stars, μ is taken as 4.0 for WN6 or earlier, 2.0 for later than WN6, 4.7 for WC8 & WC9. See Sect. 4.2.2 for discussion of the errors.

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