Observational Constraints on the Metagalactic Lyα Photon Scattering Rate at High Redshift

Research output: Contribution to journalArticle

Abstract / Description of output

The scattering of Lyα photons from the first radiating sources in the universe plays a pivotal role in 21 cm radio detections of Cosmic Dawn and the Epoch of Reionization through the Wouthuysen–Field effect. New data from JWST show the Lyα photon scattering rate exceeds that required to decouple the intergalactic hydrogen spin temperature from that of the Cosmic Microwave Background up to z ∼ 14 and render the neutral hydrogen visible.
Original languageEnglish
Article number71
JournalResearch Notes of the American Astronomical Society
Volume7
Issue number4
DOIs
Publication statusPublished - 14 Apr 2023

Keywords / Materials (for Non-textual outputs)

  • astro-ph.CO
  • astro-ph.GA

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