The Pristine He II Emitter near GN-z11: Constraining the Mass Distribution of the First Stars

The properties of the first metal-free stars remain largely unknown, and so far, the only data-driven constraints on their initial mass function (IMF) come from near-field cosmology. Here, we interpret new observations of the C1 and C2 components of Hebe, the He II emitter near the galaxy GN-z11. Us...

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Hlavní autoři:	Elka Rusta, Stefania Salvadori, Roberto Maiolino, Viola Gelli, Ioanna Koutsouridou, Stefano Carniani, Hannah Übler, Alessandro Marconi, Daniel Schaerer
Médium:	Artigo
Jazyk:	Inglês
Vydáno:	IOP Publishing 2026-01-01
Edice:	The Astrophysical Journal Letters
Témata:	Population III stars High-redshift galaxies James Webb Space Telescope
On-line přístup:	https://doi.org/10.3847/2041-8213/ae64e1
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