Inferring the astrophysics of reionization and cosmic dawn from galaxy luminosity functions and the 21-cm signal

  title={Inferring the astrophysics of reionization and cosmic dawn from galaxy luminosity functions and the 21-cm signal},
  author={Jaehong Park and Andrei Mesinger and Bradley Greig and Nicolas Gillet},
  journal={Monthly Notices of the Royal Astronomical Society},
The properties of the first galaxies, expected to drive the Cosmic Dawn (CD) and the Epoch of Reionization (EoR), are encoded in the 3D structure of the cosmic 21-cm signal. Parameter inference from upcoming 21-cm observations promises to revolutionize our understanding of these unseen galaxies. However, prior inference was done using models with several simplifying assumptions. Here we introduce a flexible, physically-motivated parametrization for high-$z$ galaxy properties, implementing it in… Expand

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