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Fig. B.1.

image

Effect of different star formation histories on the emission rate of H I-ionizing photons and ionization parameter from a stellar population. We show the contribution from massive stars in green using STARBURST99 and the contribution from stripped stars in blue. From left to right, we show the effect from a Gaussian shaped burst of about 10 Myr, quenched star formation after 200 Myr, and a bursty star-forming environment. Top panels: adopted star formation history, middle panels: emission rate of H I-ionizing photons, bottom panels: ionization parameter calculated assuming a gas density of 102 cm−2.

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