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Table 6

Mean WC star parameters per subtype

Subtype T ν R log    a log    L M WC b
[kK] [km s-1] [R] [M/yr] [L] [M]

WO2 200 5000 0.6 −5.06 5.7 19
WC4 117 3310 1.0 −4.65 5.2 10
WC5 83 2780 2.2 −4.62 5.3 12
WC6 78 2270 2.9 −4.61 5.5 14
WC7 71 2010 2.9 −4.79 5.3 11
WC8 60 1810 4.2 −4.80 5.3 11
WC9 44 1390 6.6 −4.80 5.2 10

Notes. 

(a)

Mass-loss rates are calculated with a volume-filling factor of fV = 0.1.

(b)

WC masses are calculated from luminosities using the relation of Langer (1989).

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