Not all protoclusters host evolved galaxies: Evidence for reduced environmental effects in a lower halo mass protocluster at z = 7.66

The progenitors of present-day galaxy clusters offer crucial insight into how galaxies and large-scale structure co-evolve in the early Universe. We present JWST/NIRCam grism spectroscopy of the photometrically identified z = 7.66 protocluster core in the SMACS J0723.3-7327 lensing field, SMACS-PC-z...

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Principais autores:	Witten Callum, Oesch Pascal A., Bennett Jake S., Meyer Romain A., Giovinazzo Emma, Covelo-Paz Alba, Baker William M., Ivey Lucy R.
Formato:	Artigo
Idioma:	Inglês
Publicado em:	EDP Sciences 2026-07-01
coleção:	Astronomy & Astrophysics
Assuntos:	galaxies: clusters: general galaxies: evolution galaxies: high-redshift large-scale structure of universe dark ages reionization first stars
Acesso em linha:	https://www.aanda.org/articles/aa/full_html/2026/07/aa58135-25/aa58135-25.html
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