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Two Distinct Classes of Quiescent Galaxies at Cosmic Noon Revealed by JWST PRIMER and UNCOVER
We present a measurement of the low-mass quiescent size–mass relation at cosmic noon (1 < z < 3) from the JWST PRIMER and UNCOVER …
Two Distinct Classes of Quiescent Galaxies at Cosmic Noon Revealed by JWST PRIMER and UNCOVER
Using the JWST UNCOVER and PRIMER Treasury surveys, we measure the sizes of 332 7<logM<11 quiescent galaxies at cosmic noon (1<z<3). We find that there exist two distinct populations of quiescent galaxies at this epoch: a young, low-mass, disky population and an older, massive, spheroidal population, further highlighting the different mechanisms involved in galaxy evolution at low masses.
Two Distinct Classes of Quiescent Galaxies at Cosmic Noon Revealed by JWST PRIMER and UNCOVER
3D-DASH: The Evolution of Size, Shape, and Intrinsic Scatter in Populations of Young and Old Quiescent Galaxies at 0.5 < z < 3
We present a study of the growth of the quiescent galaxy population between 0.5 < z < 3 by tracing the number density and …
The Heavy Metal Survey: Star Formation Constraints and Dynamical Masses of 21 Massive Quiescent Galaxies at z = 1.3–2.3
In this paper, we present the Heavy Metal Survey, which obtained ultradeep medium-resolution spectra of 21 massive quiescent galaxies …
A high black-hole-to-host mass ratio in a lensed AGN in the early Universe
Early JWST observations have uncovered a population of red sources that might represent a previously overlooked phase of supermassive …
Efficient formation of a massive quiescent galaxy at redshift 4.9
Within the established framework of structure formation, galaxies start as systems of low stellar mass and gradually grow into far more …
Medium Bands, Mega Science: a JWST/NIRCam Medium-Band Imaging Survey of Abell 2744
In this paper, we describe the “Medium Bands, Mega Science” JWST Cycle 2 survey (JWST-GO-4111) and demonstrate the power of these data …
Quantifying the Effects of Known Unknowns on Inferred High-redshift Galaxy Properties: Burstiness, IMF, and Nebular Physics
The era of the James Webb Space Telescope ushers stellar population models into uncharted territories, particularly at the …
Remarkably Compact Quiescent Candidates at 3 < z < 5 in JWST-CEERS
In this Letter, we measure the rest-frame optical and near-infrared sizes of 10 quiescent candidates at 3 < z < 5, first reported …
UNCOVER Spectroscopy Confirms the Surprising Ubiquity of Active Galactic Nuclei in Red Sources at z > 5
The James Webb Space Telescope is revealing a new population of dust-reddened broad-line active galactic nuclei (AGN) at redshifts z ≳ …