Author

Xiang-Yu Jin

3 papers indexed here

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Preprint Oct 2026

Can Blue UV-Bright Galaxies Drive Reionization at Cosmic Dawn? An $M_{\rm UV}=-19.6$ Galaxy with $f_{\rm esc}\approx0.85$ at $z=9.244$

We revisit EBG-1, a gravitationally lensed galaxy at $z = 9.244$, using newly obtained deep (14 hr) JWST/NIRSpec G235M ($R \sim 1000$) spectroscopy. EBG-1 is one of the bluest galaxies observed at $z>9$. Along with its remarkably blue continuum of $\beta = -2.99 \pm 0.15$, we find very weak nebular emission from EBG-1....

Yun-Jing Wu, Si-Jia Cai, Yong-Da Zhu et al. · 0 citations

Review Sep 2026

Exploring the influence of reionisation-era galaxies on their local intergalactic medium using the Sherwood-Relics simulations

Recent surveys have detected excess flux in the Lyman-$\alpha$ forest of quasar spectra several Mpc from high-redshift line-emitting galaxies, indicating a correlation between intergalactic medium (IGM) transmission and reionisation-era galaxies. We examine the galaxy-IGM connection using the Sherwood-Relics simulation...

Hamish Anderson, L. Keating, Luke Conaboy et al. · 0 citations

Review Open access Sep 2026

Q-IFU: A JWST/NIRSpec Integral Field Unit Survey of Luminous Quasars at z ∼ 5–6: Rest-frame Optical Nuclear Properties and Extended Nebulae

It remains debatable how billion-solar-mass supermassive black holes (SMBHs) form and evolve within the first billion years. We report results from a James Webb Space Telescope (JWST)/NIRSpec integral field unit (IFU) survey of 27 luminous quasars at z ∼ 5–6, enabling a systematic investigation of their key physical pr...

Wei-Zhe Liu, Xiao-Hui Fan, Richard Green et al. · Astrophysical Journal · 0 citations