A massive quiescent galaxy at z=3.449 exhibits low rotation (λ_Re = 0.123) consistent with slow-rotator kinematics, indicating early formation of dispersion-dominated systems.
2023 a , grizli, 1.9.11 Zenodo, 10.5281/zenodo.8370018
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A uniquely JWST-dark radio source detected from 144 MHz to 3 GHz but undetected in all available optical, infrared, X-ray, and submillimeter imaging, potentially representing an extremely dust-obscured radio-loud galaxy at cosmic dawn or a detached radio lobe.
Star formation histories inferred for z=2-5 massive quiescent galaxies imply past number densities that align with observed rapid evolution since z~7.
LRDs require Compton-thick gas at moderate metallicity plus high accretion rates producing weak X-rays to explain their non-detection, implying they are not chemically pristine.
Luminous Lyα emitters at z≈6 are low-mass ultra-young dwarf starbursts with median Lyα escape fractions above 40 percent, driven by vigorous star formation and low dust content.
citing papers explorer
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A massive and evolved slow-rotating galaxy in the early Universe
A massive quiescent galaxy at z=3.449 exhibits low rotation (λ_Re = 0.123) consistent with slow-rotator kinematics, indicating early formation of dispersion-dominated systems.
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Something Bright at the Edge of Everything: A Uniquely JWST-Dark Radio Source in COSMOS
A uniquely JWST-dark radio source detected from 144 MHz to 3 GHz but undetected in all available optical, infrared, X-ray, and submillimeter imaging, potentially representing an extremely dust-obscured radio-loud galaxy at cosmic dawn or a detached radio lobe.
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Winding Back the Clock: Recent Star Formation Histories of Massive Quiescent Galaxies Are Consistent With Their Rapid Number Density Evolution Since $\mathbf{z\sim7}$
Star formation histories inferred for z=2-5 massive quiescent galaxies imply past number densities that align with observed rapid evolution since z~7.
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On the quenching of LRD X-ray emission by both Compton-thick gas and high accretion rates
LRDs require Compton-thick gas at moderate metallicity plus high accretion rates producing weak X-rays to explain their non-detection, implying they are not chemically pristine.
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An Updated Characterization of Luminous Ly{\alpha} emitters at the End of Reionization
Luminous Lyα emitters at z≈6 are low-mass ultra-young dwarf starbursts with median Lyα escape fractions above 40 percent, driven by vigorous star formation and low dust content.