Preprint
Sep 2026
Chasing Cosmic Reionization: An Extremely Faint Highly Magnified Source at $z=5.66$ with high $\xi_{\rm ion}$
We present JWST NIRSpec IFU spectroscopic measurements of one of the faintest (M$_{UV}>-13.6$) known ionizing sources at $z=5.66$, dubbed Small And Lensed Source Arc, SALSA. This source is highly magnified ($\mu>100$) by the lensing galaxy cluster Abell 2744, providing a unique opportunity to investigate the physical p...
S. Rojas-Ruiz, M. Messa, E. Vanzella et al.
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