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Table A.2

Lifetime (in Myr)/spectral type relation of O-type stars with luminosity class V using the evolutionary tracks without rotation of Schaller et al. (1992; labeled old) and using the evolutionary tracks with rotation from the Geneva data base (labeled new).

Sp. type + Lum. class Old lifetime (Myr) New lifetime (Myr)
O4V 0.8 1
O6V 1.8 1.8
O7.5V 3.1 3.3
O8.5V 3.7 4.0
O9V 4.1 4.5

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