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1 results

  • Tracing Cosmic Dawn

  • Anastasia Fialkov
  • Journal:
    Proceedings of the International Astronomical Union / Volume 12 / Issue S333 / October 2017
    Published online by Cambridge University Press:
    08 May 2018, pp. 22-25
    Print publication:
    October 2017
    • Article
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  • Observational effort is on the way to probe the 21-cm of neutral hydrogen from the epochs of Reionization and Cosmic Dawn. Our current poor knowledge of high redshift astrophysics results in a large uncertainty in the theoretically predicted 21-cm signal. A recent parameter study that is highlighted here explores the variety of 21-cm signals resulting from viable astrophysical scenarios. Model-independent relations between the shape of the signal and the underlying astrophysics are discussed. Finally, I briefly note on possible alternative probes of the high redshift Universe, specifically Fast Radio Bursts.