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Astro2020 Science White Paper: Synergies Between Galaxy Surveys and Reionization Measurements

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arxiv 1903.06197 v2 pith:45VYFJJR submitted 2019-03-14 astro-ph.GA

Astro2020 Science White Paper: Synergies Between Galaxy Surveys and Reionization Measurements

classification astro-ph.GA
keywords galaxymeasurementswillformationreionizationsourcessurveysaffects
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The early phases of galaxy formation constitute one of the most exciting frontiers in astrophysics. It is during this era that the first luminous sources reionize the intergalactic medium - the moment when structure formation affects every baryon in the Universe. Here we argue that we will obtain a complete picture of this era by combining observations of galaxies with direct measurements of the reionization process: the former will provide a detailed understanding of bright sources, while the latter will constrain the (substantial) faint source population. We further describe how optimizing the comparison of these two measurements requires near-infrared galaxy surveys covering large volumes and retaining redshift information and also improvements in 21-cm analysis, moving those experiments into the imaging regime.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. A Roadmap for Astrophysics and Cosmology with High-Redshift 21 cm Intensity Mapping

    astro-ph.IM 2019-07 unverdicted novelty 2.0

    A white paper that coordinates a decade-long US program of instrumentation and analysis to enable next-generation 21 cm arrays for cosmology.