Unveiling the most luminous Lyman-α emitters in the epoch of reionisation

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Observational Astrophysics

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1911.04774v1
Rights statement: 6M
Accepted author manuscript, 1.95 MB, PDF document
Available under license: CC BY-NC: Creative Commons Attribution-NonCommercial 4.0 International License

Keywords

astro-ph.GA, astro-ph.CO

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Research output: Contribution to Journal/Magazine › Journal article

E-pub ahead of print

Jorryt Matthee
David Sobral

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<mark>Journal publication date</mark>	4/06/2020
<mark>Journal</mark>	Proceedings of the International Astronomical Union
Number of pages	5
Pages (from-to)	21-25
Publication Status	E-pub ahead of print
Early online date	4/06/20
<mark>Original language</mark>	English

Abstract

Distant luminous Lyman-alpha emitters are excellent targets for detailed observations of galaxies in the epoch of reionisation. Spatially resolved observations of these galaxies allow us to simultaneously probe the emission from young stars, partially ionised gas in the interstellar medium and to constrain the properties of the surrounding hydrogen in the circumgalactic medium. We review recent results from (spectroscopic) follow-up studies of the rest-frame UV, Lyman-alpha and [CII] emission in luminous galaxies observed ~500 Myr after the Big Bang with ALMA, HST/WFC3 and VLT/X-SHOOTER. These galaxies likely reside in early ionised bubbles and are complex systems, consisting of multiple well separated and resolved components where traces of metals are already present.

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