Sparse by the River: Diverse Environments of z > 3 Massive Quiescent Galaxies
Nguyen Binh, Arianna S. Long, Jacqueline Antwi-Danso, David C. Andrews, Greta Toni, Jaclyn B. Champagne, Hollis B. Akins, Tiara Anderson, Rafael C. Arango-Toro, Caitlin M. Casey, Yingjie Cheng, Olivia R. Cooper, Nicole E. Drakos, Andreas L. Faisst, Maximilien Franco

TL;DR
This study uses JWST data to analyze high-redshift massive quiescent galaxies, revealing diverse environments, clustering behaviors, and potential rejuvenation processes, thereby advancing understanding of early galaxy evolution.
Contribution
First comprehensive analysis of $z > 3$ massive quiescent galaxies' environments using JWST, highlighting diverse clustering, filamentary signals, and a record distant low-mass QG.
Findings
Substantial populations of star-forming neighbors around QGs.
Diverse clustering environments, from isolated to dense.
Detection of filamentary structures suggesting rejuvenation.
Abstract
High-redshift (), massive quiescent galaxies (QGs) offer a significant window into early Universe galaxy formation. Previous works have predicted miscellaneous properties for these quiescents, from an overdensity of neighbors to elevated quenched fractions among such neighbors (i.e. galactic conformity). However, due to a scarcity in highly-resolved deep-field observations until recently, these properties have not been closely examined and pose unresolved questions for galaxy evolution. With new photometric-redshift catalogs from JWST data in the COSMOS-Web field, we present the SNG sample, comprising 171 photometrically selected massive ( M) QGs with 5. We look for low-mass neighbors around our sample and find substantial populations of star-forming galaxies (SFGs), contrasting the conformity effect at…
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Taxonomy
TopicsGalaxies: Formation, Evolution, Phenomena · Astronomy and Astrophysical Research · Astrophysics and Star Formation Studies
