Author

G. Sarrouh

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Review Open access Oct 2026

Two Exciting High-redshift Galaxy Candidates Turn Out to Be Two Exciting Brown Dwarfs

From the onset of observations of JWST we have discovered unexpectedly luminous galaxies at redshifts z > 10 and as high as z = 14. With their discovery, the question immediately followed as to where their progenitors are, since such progenitors should be within reach of existing surveys. However, the discovery of seve...

M. Bradač, C. Willott, Y. Asada et al. · Astrophysical Journal Letter... · 0 citations

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