Stochastic sampling of Pop III X-ray binary luminosities enhances small-scale fluctuations in the 21-cm power spectrum (k > 0.3 cMpc^{-1}) while leaving the global signal and large-scale power essentially unchanged.
2023), while in the Pop II case the typical value is aroundđť‘“đť‘‹,II =1(Fragos et al
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Impact of Stochastic Pop~III X-ray Binaries on the Cosmological 21-cm Signal
Stochastic sampling of Pop III X-ray binary luminosities enhances small-scale fluctuations in the 21-cm power spectrum (k > 0.3 cMpc^{-1}) while leaving the global signal and large-scale power essentially unchanged.