Preprint
Oct 2026
PRISMS GHZ8: Evidence for a Young Burst and Potential Merger Activity at z=10.23
UV-bright galaxies in the early Universe provide important constraints on the rapid build-up of stellar mass and the sources responsible for cosmic reionization. However, the physical processes that drive their high UV luminosities remain unclear. Here we report JWST/MIRI LRS spectroscopy of GHZ8, a UV-bright galaxy at...
R. Lin, Jorge A. Zavala, J. Álvarez-Márquez et al.
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