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most citedRUBIES spectroscopically confirms the high number density of quiescent galaxies from

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astro-ph.CO2025

The Mass-Metallicity Relation and its Observational Effects at z~3-6

Zach Lewis, Michael V. Maseda, Anna de Graaff +21

The correlation between galaxy stellar mass and gas-phase metallicity, known as the mass-metallicity relation (MZR), gives key insights into the processes that govern galaxy evolut…

astro-ph.GA2025

Little Red Dots host Black Hole Stars: A unified family of gas-reddened AGN revealed by JWST/NIRSpec spectroscopy

Anna de Graaff, Raphael E. Hviding, Rohan P. Naidu +35

We use the DAWN JWST Archive to construct and characterise a sample of 146 little red dots (LRDs) across 2.0<z<9.3, selecting all sources with v-shaped UV-optical continua from NIR…

astro-ph.GA2025

Where Galaxies Go to Die: The Environments of Massive Quiescent Galaxies at

Ian McConachie, Anna de Graaff, Michael V. Maseda +25

At low redshift, massive quiescent galaxies (MQGs) are most frequently found in massive, rich galaxy clusters, but at high redshift the trend is less clear. Here, we present spectr…

astro-ph.GA2025

Unusually High Gas-to-Dust Ratios Observed in High-Redshift Quiescent Galaxies

Justin S. Spilker, Katherine E. Whitaker, Desika Narayanan +15

Tracking the cold molecular gas contents of galaxies is critical to understand the interplay between star formation and galaxy growth across cosmic time. Observations of the long-w…

astro-ph.GA2025

Meet the Neighbors: Gas Rich "Buddy Galaxies" are Common Around Recently Quenched Massive Galaxies in the SQuIGGE Survey

Anika Kumar, David J. Setton, Rachel Bezanson +7

In this work, we characterize the environments of massive () post-starburst galaxies (PSBs) by studying serendipitously-detected CO(2-1) e…

astro-ph.GA2025

What you see is what you get: empirically measured bolometric luminosities of Little Red Dots

Jenny E. Greene, David J. Setton, Lukas J. Furtak +27

New populations of red active galactic nuclei (known as ``Little Red Dots'') discovered by JWST exhibit remarkable spectral energy distributions. Leveraging X-ray through far-infra…