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A pristine, star-forming complex at z = 4.19★

We report the discovery of a faint (M1700 ≃ −12.2), oxygen-deficient, strongly lensed ionizing source – dubbed Lensed And Pristine 2 (LAP2) – at a spectroscopic redshift of z = 4.19. LAP2 appears to be isolated and lies very close to the caustic produced by the lensing galaxy cluster Abell 2744. It...

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Autors principals: Vanzella E., Messa M., Zanella A., Bolamperti A., Castellano M., Loiacono F., Bergamini P., Roberts Borsani G., Adamo A., Fontana A., Treu T., Calura F., Grillo C., Lombardi M., Rosati P., Gilli R., Meneghetti M.
Format: Artigo
Idioma:Inglês
Publicat: EDP Sciences 2026-01-01
Col·lecció:Astronomy & Astrophysics
Matèries:
stars: population iii
galaxies: distances and redshifts
galaxies: formation
galaxies: high-redshift
Accés en línia:https://www.aanda.org/articles/aa/full_html/2026/01/aa57153-25/aa57153-25.html
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