The Interstellar Medium Conditions of a Strong Ly α Emitter at z = 8.279 from JWST: A Robust Lyman Continuum Leaker Candidate at the Epoch of Reionization
Rafael Navarro-Carrera; K. I. Caputi; Edoardo Iani; Pierluigi Rinaldi; Vasily Kokorev; Josephine Kerutt · 2025 · The Astrophysical Journal
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Abstract
Abstract Making use of JWST NIRSpec and NIRCam data, we conduct a detailed analysis of GN- z 8-LAE, a strong Ly α emitter at z = 8.279. We investigate the interstellar medium (ISM) conditions that enable the Ly α detection in this source at the Epoch of Reionization (EoR) and scrutinize GN- z 8-LAE as an early reionizer. In agreement with previous results, we find that GN- z 8-LAE is a young galaxy (age ∼10 Myr) with a lower stellar mass ( M ⋆ ∼ 10 7.66 M ⊙ ) than most Ly α emitters (LAEs) at similar redshifts. The derived stellar-mass and star formation rate surface densities are Σ M ⋆ ∼ 355
Abstract by Rafael Navarro-Carrera; K. I. Caputi; Edoardo Iani; Pierluigi Rinaldi; Vasily Kokorev; Josephine Kerutt, The Astrophysical Journal (2025) — licensed CC BY 4.0.
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Metadata source: OpenAlex · DOI 10.3847/1538-4357/adca35