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Table 2
Parameters of SMC WN stars.
SMC AB | Subtypea | T∗ | log Rt | ν∞ | Eb − v | M v | R∗ | log Ṁ | D | log L | η | M b | X H | Comments |
[kK] | [R⊙] | [km s-1] | [mag] | [mag] | [R⊙] | [M⊙/ yr] | [L⊙] | [M⊙] | ||||||
|
||||||||||||||
1 | WN3ha | 79 | 1.37 | 1700 | 0.22 | –4.57 | 5.7 | −5.58 | 10 | 6.07 | 0.2 | 75 | 0.5 | |
2 | WN5ha | 47 | 1.63 | 900 | 0.10 | –4.96 | 9.1 | −5.75 | 4 | 5.57 | 0.2 | 43 | 0.55 | |
4 | WN6h | 45 | 1.30 | 1000 | 0.09 | –5.85 | 13.0 | −5.18 | 10 | 5.78 | 0.5 | 38 | 0.25 | |
9 | WN3ha | 100 | 1.22 | 1800 | 0.09 | –3.94 | 3.5 | −5.65 | 10 | 6.05 | 0.2 | 62 | 0.35 | |
10 | WN3ha | 100 | 1.18 | 2000 | 0.12 | –3.38 | 2.2 | −5.64 | 4 | 5.65 | 0.5 | 37 | 0.35 | |
11 | WN4h:a | 89 | 1.35 | 2200 | 0.11 | –3.69 | 3.5 | −5.56 | 4 | 5.85 | 0.4 | 50 | 0.4 | composite |
12 | WN3ha | 112 | 1.14 | 1800 | 0.14 | –3.34 | 2.4 | −5.79 | 10 | 5.90 | 0.2 | 42 | 0.2 |
Notes.
(a)
The subtype classifications follow Foellmi et al. (2003) and Foellmi (2004);
(b)
masses calculated from the luminosity, using the mass-luminosity relation derived by Gräfener et al. (2011).
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