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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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Principais autores: 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
Sprog:Inglês
Udgivet: EDP Sciences 2026-01-01
Serier:Astronomy & Astrophysics
Fag:
stars: population iii
galaxies: distances and redshifts
galaxies: formation
galaxies: high-redshift
Online adgang:https://www.aanda.org/articles/aa/full_html/2026/01/aa57153-25/aa57153-25.html
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