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Table 2.
Total ionising photon rates, Qtotal, for various stellar mass distributions.
| Mtotal [M⊙] | 4 × 1011 |
4 × 1012 |
4 × 1013 |
||||||
|---|---|---|---|---|---|---|---|---|---|
| IMF index | α = −2.35 | α = −2.60 | α = −2.85 | α = −2.35 | α = −2.60 | α = −2.85 | α = −2.35 | α = −2.60 | α = −2.85 |
| Mmax [M⊙] | 43 | 110 | 550 | 6 | 9 | 17 | 1 | 1 | 1 |
| Nstars | 5 × 106 | 1 × 105 | 400 | 5 × 109 | 1 × 109 | 7 × 107 | 4 × 1012 | 3 × 1012 | 2 × 1012 |
| Qtotal [s−1] | 9 × 1056 | 2 × 1057 | 4 × 1062 | 2 × 1055 | 8 × 1055 | 3 × 1056 | 1 × 1047 | 2 × 1047 | 4 × 1047 |
Notes. Mmax is the maximum stellar mass permitted by limiting the total star formation rate to SFRtotal = 1 × 104 M⊙ yr−1 (no AGN contribution to the FIR emission) and Nstars is the number of stars of this mass.
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