Preprint
Oct 2026
Discovery of a Broad-Line Active Galactic Nucleus at $z = 9.98$
The James Webb Space Telescope (JWST) has uncovered a previously unexplored population of faint active galactic nuclei (AGNs) in the early Universe. We present MoM-BL-z10 at $z=9.9837\pm0.0009$, identified through a systematic search for broad-line AGNs at $z\geq6$ using public JWST/NIRSpec PRISM spectra from the DAWN...
Xing-Yao Cai, A. Inoue, M. Onoue et al.
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