Tomography of the Cosmic Dawn and Reionization Eras with Multiple Tracers

Tzu-Ching Chang , Angus Beane , Olivier Dore , Adam Lidz , Lluis Mas-Ribas , Guochao Sun , Marcelo Alvarez , Ritoban Basu Thakur

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Philippe Berger Matthieu Bethermin Jamie Bock Charles M. Bradford Patrick Breysse Denis Burgarella Vassilis Charmandaris Yun-Ting Cheng Kieran Cleary Asantha Cooray Abigail Crites Aaron Ewall-Wice Xiaohui Fan Steve Finkelstein Steve Furlanetto Jacqueline Hewitt Jonathon Hunacek Phil Korngut Ely Kovetz Gregg Hallinan Caroline Heneka Guilaine Lagache Charles Lawrence Joseph Lazio Adrian Liu Dan Marrone Aaron Parsons Anthony Readhead Jason Rhodes Dominik Riechers Michael Seiffert Gordon Stacey Eli Visbal Hao-Yi Wu Michael Zemcov Zheng Zheng

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classification 🌌 astro-ph.CO

keywords reionizationcosmicdawnadvocatemappingtomographyadditionalapproach

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The Cosmic Dawn and Reionization epochs remain a fundamental but challenging frontier of astrophysics and cosmology. We advocate a large-scale, multi-tracer approach to develop a comprehensive understanding of the physics that led to the formation and evolution of the first stars and galaxies. We highlight the line intensity mapping technique to trace the multi-phase reionization topology on large scales, and measure reionization history in detail. Besides 21cm, we advocate for Lya tomography mapping during the epoch of Wouthuysen-Field coupling as an additional probe of the cosmic dawn era.

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Tomography of the Cosmic Dawn and Reionization Eras with Multiple Tracers

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