activity
20162025
most citedJWST reveals a population of ultra-red, flattened disk galaxies at 2<z<6 previously missed by HST

89 citations · 210 across the 12 of their papers we have counts for

collaborators

12 papers

astro-ph.GA2025★ 4 cited

Introducing the Descriptive Parametric Model: Gaseous Profiles for Galaxies, Groups, and Clusters

Benjamin D. Oppenheimer, G. Mark Voit, Yannick M. Bahé +14

We develop and present the Descriptive Parametric Model (DPM), a tool for generating profiles of gaseous halos (pressure, electron density, and metallicity) as functions of radius,…

astro-ph.GA2024★ 6 cited

JWST Reveals Bulge-dominated Star-forming Galaxies at Cosmic Noon

Chloë E. Benton, Erica J. Nelson, Tim B. Miller +10

Hubble Space Telescope imaging shows that most star-forming galaxies at cosmic noon -- the peak of cosmic star formation history -- appear disk-dominated, leaving the origin of the…

astro-ph.GA2024★ 11 cited

JADES Ultra-red Flattened Objects: Morphologies and Spatial Gradients in Color and Stellar Populations

Justus L. Gibson, Erica Nelson, Christina C. Williams +20

One of the more surprising findings after the first year of JWST observations is the large number of spatially extended galaxies (ultra-red flattened objects, or UFOs) among the op…

astro-ph.GA2024

A Size Estimate for Galaxy GN-z11

James O. Baldwin, Erica Nelson, Benjamin D. Johnson +5

GN-z11 is the highest redshift galaxy spectroscopically confirmed with the Hubble Space Telescope (HST). Previous measurements of the effective radius of GN-z11 utilized galfit, wh…

astro-ph.GA2023★ 7 cited

The galaxies missed by Hubble and ALMA: the contribution of extremely red galaxies to the cosmic census at 3<z<8

Christina C. Williams, Stacey Alberts, Zhiyuan Ji +33

Using deep JWST imaging from JADES, JEMS and SMILES, we characterize optically-faint and extremely red galaxies at that were previously missing from galaxy census estimates.…

astro-ph.GA2023★ 1 cited

FRESCO: An extended, massive, rapidly rotating galaxy at z=5.3

Erica J. Nelson, Gabriel Brammer, Clara Gimenez-Arteaga +43

With the remarkable sensitivity and resolution of JWST in the infrared, measuring rest-optical kinematics of galaxies at has become possible for the first time. This study pi…

astro-ph.IM2023

As Simple as Possible but No Simpler: Optimizing the Performance of Neural Net Emulators for Galaxy SED Fitting

Elijah P. Mathews, Joel Leja, Joshua S. Speagle +7

Artificial neural network emulators have been demonstrated to be a very computationally efficient method to rapidly generate galaxy spectral energy distributions (SEDs), for parame…

astro-ph.GA2022★ 83 cited

Spatially Resolved Properties of High Redshift Galaxies in the SMACS0723 JWST ERO Field

Clara Giménez-Arteaga, Pascal A. Oesch, Gabriel B. Brammer +10

We present the first spatially resolved measurements of galaxy properties in the JWST ERO SMACS0723 field. We perform a comprehensive analysis of five galaxies with spectro…

astro-ph.GA2022★ 89 cited

JWST reveals a population of ultra-red, flattened disk galaxies at 2<z<6 previously missed by HST

Erica J. Nelson, Katherine A. Suess, Rachel Bezanson +19

With just a month of data, JWST is already transforming our view of the Universe, revealing and resolving starlight in unprecedented populations of galaxies. Although ``HST-dark" g…

astro-ph.GA2022

The COS CGM Compendium. IV. Effects of Varying Ionization Backgrounds on Metallicity Determinations in the z < 1 Circumgalactic Medium

Justus L. Gibson, Nicolas Lehner, Benjamin D. Oppenheimer +3

Metallicity estimates of circumgalactic gas based on absorption line measurements typically require photoionization modeling to account for unseen ionization states. We explore the…

astro-ph.SR2018★ 7 cited

MESA Models of the Evolutionary State of the Interacting Binary epsilon Aurigae

Justus Gibson, Robert Stencel

Using MESA code (Modules for Experiments in Stellar Astrophysics, version 9575), an evaluation was made of the evolutionary state of the epsilon Aurigae binary system (HD 31964, F0…

astro-ph.SR2016★ 2 cited

Structure in the Disk of epsilon Aurigae: Analysis of the ARCES and TripleSpec data obtained during the 2010 eclipse

Justus L. Gibson, Robert E. Stencel, William Ketzeback +4

Context: Worldwide interest in the recent eclipse of epsilon Aurigae resulted in the generation of several extensive data sets, including those related to high resolution spectrosc…