Logarithm of the number Q of H-, He i-, and He ii-ionizing photons emitted per second by a massive star (M = 125 M⊙, R = 21.7 R⊙, and Teff = 50 000 K) as a function of metallicity Z, compared to those of an equivalent black body.
|Z/Z⊙||Ṁ||log QH||log QHe i||log QHe ii|
Notes.The third column lists the consistently calculated mass-loss rates Ṁ of the stellar models.
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