Author

Yunchong Zhang

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Open access Jun 2026

Toward Unbreaking the Universe: MINERVA Measurements of Color Gradients in Massive Quiescent Galaxies Can Help Ease Too-early Star Formation Tensions

The discovery of a population of massive, ancient quiescent galaxies within the first 2 Gyr of the Universe’s history has led to significant tensions with models of galaxy formation. However, these analyses are often based on slit spectroscopy, which typically captures only the centermost region of these galaxies and,...

S. Cutler, Luke Robbins, D. Marchesini et al. · Astrophysical Journal Letter... · 1 citation

Preprint Oct 2026

The DAWN JWST Archive: A spectroscopically-informed population study of the physical properties of galaxies at z>2

Charting the evolution of star-formation, stellar mass and dust build-up over cosmic time relies on the accurate characterisation of the stellar population properties of high redshift galaxies. We present a catalogue of spectroscopically derived physical properties for ~12,000 galaxies at z>2, with archival JWST/NIRSpe...

R. Gottumukkala, G. Brammer, S. Toft et al. · 0 citations

Review Open access Feb 2026

Everything Every Band All at Once. I. A Global Morphology Catalog in A2744 Based on UNCOVER/MegaScience

We present spectrally resolved structural parameter measurements of 28,274 sources from the legacy lensing field of A2744, quantifying global structures from the observed 0.7−4.8 μm and spanning rest-frame UV to near-infrared (NIR) at R ∼ 15. These measurements are made on imaging mosaics mainly from the UNCOVER/MegaSc...

Yunchong Zhang, T. Miller, S. Price et al. · Astrophysical Journal Supple... · 0 citations