JWST imaging of 817 Lyman-alpha emitters at z=3-7 shows a bimodal population: low-mass isolated 'pristine' galaxies and massive 'merger-driven' galaxies, with a 39% late-stage merger fraction.
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The JWST Unveils the Bimodal Nature of Lyman Alpha Emitters at 3 <z<7: Pristine versus Merger-Driven Populations
JWST imaging of 817 Lyman-alpha emitters at z=3-7 shows a bimodal population: low-mass isolated 'pristine' galaxies and massive 'merger-driven' galaxies, with a 39% late-stage merger fraction.