Analogues of primeval galaxies two billion years after the Big Bang

Ricardo Amorin,Adriano Fontana,Enrique Pérez-Montero,Marco Castellano,Lucia Guaita,Andrea Grazian,Olivier Le Fevre,B. Ribeiro,Daniel Schaerer,L. A. M. Tasca,R. Thomas,S. Bardelli,L. P. Cassarà,Paolo Cassata,Andrea Cimatti,Thierry Contini,Stephane de Barros,B. Garilli,Mauro Giavalisco,Nimish P. Hathi,Anton M. Koekemoer,Vincent Le Brun,Brian C. Lemaux,D. Maccagni,Laura Pentericci,Janine Pforr,M. Talia,Laurence Tresse,Eros Vanzella,D. Vergani,G. Zamorani,Elena Zucca,Emiliano Merlin

Analogues of primeval galaxies two billion years after the Big Bang

2017

A selected group of intermediate-redshift galaxies appear similar to primeval galaxies. Analysing spectra of these nearer analogues for chemical abundances and ionization levels gives an improved understanding of galaxies that are too faint to study well.

Keywords:

Big Bang
Astronomy
Galaxy
Ionization
Astrophysics
Billion years
Cosmology
Physics

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