activity
20092026
most citedPuzzling Lyman-alpha line profiles in green pea galaxies

79 citations · 194 across the 28 of their papers we have counts for

collaborators

32 papers

astro-ph.GA2026

The THESAN-ZOOM project: the delayed rise of Lyman continuum escape fractions in bursty high-redshift galaxies

Parth Mehrotra, Aaron Smith, Yuan Bian +13

The ionizing radiation that galaxies release into their surroundings depends on whether efficient Lyman continuum (LyC) escape coincides with strong photon production. Stellar feed…

astro-ph.GA2026

Testing SALT Approximations with Numerical Radiative Transfer Code. II. Thermal and Microturbulent Line Broadening

Cody Carr, Renyue Cen, Leo Michel-Dansac +2

Forward models that connect galactic winds to their predicted spectral-line profiles have proved effective for inferring wind properties in controlled settings, but important limit…

astro-ph.GA2026

The Evolution of Low-Ionization Electron Densities in Galaxies Across Cosmic Epochs

Mabel G. Stephenson, John Chisholm, Alberto Saldana-Lopez +12

We investigate the low-ionization electron density in the interstellar medium of galaxies across , derived with the [O II] and [S II]$λ\lambda6718…

astro-ph.GA2026

CLASSY. XV. Kinematics and Spatial Distributions of Outflows in Local Highly Star-Forming Galaxies

Mason S. Huberty, Cody A. Carr, Claudia Scarlata +17

Star-forming galaxies drive massive outflows that play an important role in galaxy evolution by regulating feedback and influencing the dynamics of surrounding media. Measuring gal…

astro-ph.GA2026

Unprecedented Constraints on Gas Flows at High Redshift Using Deep JWST/NIRSpec Observations from the LyC22, EXCELS, and AURORA Surveys

Emily Kehoe, Alice E. Shapley, Adam C. Carnall +25

We investigate how low-ionization gas flows in typical star-forming galaxies at depend on galaxy intrinsic properties and viewing angle. For this analysis we use JWST/NIRS…

astro-ph.IM2026

The short and long of iPhoton science for a boosted Hubble

Stephan R. McCandliss, Jack Ford, Anne E. Jaskot +7

Boosting the Hubble Space Telescope (HST) will provide unique opportunities to carry out precursor science for the Habitable Worlds Observatory (HWO). Chief among them are science…

astro-ph.GA2026★ 1 cited

Resolving the Unresolved Galactic Winds in Multi-phase Models. I. Methodology and Application

Xinfeng Xu, Drummond Fielding, Timothy Heckman +12

Galactic winds shape galaxy evolution; however, the outflowing gas is complex: it consists of multiple ionization phases, and its properties vary spatially. Therefore, methods that…

astro-ph.GA2026

The Prevalence of Turbulence-Regulated Multiphase Galactic Winds in Star-Forming Galaxies

Zhihui Li, Timothy Heckman, Max Gronke +8

We build upon our previously developed multi-ion radiative transfer (RT) framework, PEACOCK, to investigate the kinematic and energetic structure of cool-to-warm galactic winds in…

astro-ph.GA2026

Kinematically Coherent Multiphase Galactic Winds in Star-Forming Galaxies Revealed by Unified Radiative Transfer Modeling of UV Emission and Absorption Lines

Zhihui Li, Timothy Heckman, Max Gronke +8

We present PEACOCK, a three-dimensional Monte Carlo radiative transfer (RT) framework designed to self-consistently model rest-frame ultraviolet emission and absorption lines arisi…

astro-ph.GA2025

CLASSY XIV: The Nitrogen Exception -- Multi-Phase Enrichment and Feedback in High- Analogs

Bethan L. James, Valentina Abril-Melgarejo, Karla Z. Arellano-Córdova +13

We present a first-of-its-kind analysis of the metal content across two interstellar medium (ISM) phases in a sample of 31 local star-forming galaxies from the COS Legacy Archive S…

astro-ph.GA2025

CLASSY XIII. Cutting through the Clouds - Comparing Indirect Tracers of Ionizing Photon Escape

Kaelee S. Parker, Danielle A. Berg, John Chisholm +25

The Epoch of Reionization (EoR) provides critical insights into the role of early galaxies in shaping the ionization state of the universe. However, because of the opacity of the i…

astro-ph.GA2025★ 4 cited

The Ly and Continuum Origins Survey. III. Investigating the Link between Galaxy Morphology, Merger Properties and LyC Escape

Alexandra Le Reste, Anne E. Jaskot, Jordanne Brazie +20

Characterizing the mechanisms and galaxy properties conducive to the emission and escape of ionizing (LyC) emission is necessary to accurately model the Epoch of Reionization, and…

astro-ph.GA2025

Mapping Jet-Gas Coupling and energetic ionized outflows in High-Redshift Radio Galaxies with JWST/NIRSpec

Namrata Roy, Timothy Heckman, Alaina Henry

We present spatially resolved maps of morphology, kinematics, and energetics of warm ionized gas in six powerful radio galaxies at z=3.5-4, using JWST/NIRSpec IFU to quantify jet-d…

astro-ph.GA2025★ 1 cited

Power-law Emission-line Wings and Radiation-Driven Superwinds in Local Lyman Continuum Emitters

Lena Komarova, Sally Oey, Rui Marques-Chaves +27

We investigate broad emission-line wings, reaching , observed in 26 galaxies with Lyman continuum (LyC) observations, primarily from the Low-redshift Lyman C…

astro-ph.GA2025★ 7 cited

The Lyman-alpha and Continuum Origins Survey. I. Survey description and Ly imaging

Alexandra Le Reste, Claudia Scarlata, Matthew Hayes +25

Understanding the mechanisms driving the escape of ionizing or Lyman continuum (LyC) emission from the interstellar medium of galaxies is necessary to constrain the evolution of re…

astro-ph.GA2024★ 7 cited

Physical Origins of Outflowing Cold Clouds in Local Star-forming Dwarf Galaxies

Zixuan Peng, Crystal L. Martin, Zirui Chen +10

We study the physical origins of outflowing cold clouds in a sample of 14 low-redshift dwarf ( ) galaxies from the COS Legacy Archive Spectros…

astro-ph.GA2024★ 5 cited

A Simulated Galaxy Laboratory: Exploring the Observational Effects on UV Spectral Absorption Line Measurements

R. Michael Jennings, Alaina Henry, Valentin Mauerhofer +13

Ultraviolet absorption line spectroscopy is a sensitive diagnostic for the properties of interstellar and circumgalactic gas. Down-the-barrel observations, where the absorption is…

astro-ph.GA2024

Synergistic Radiative Transfer Modeling of MgII and Lyα Emission in Multiphase, Clumpy Galactic Environments: Application to Low-Redshift Lyman Continuum Leakers

Zhihui Li, Max Gronke, Timothy Heckman +9

We conducted systematic radiative transfer (RT) modeling of the Mg II doublet line profiles for 33 low-redshift Lyman continuum (LyC) leakers, and Ly modeling for a subset of si…

astro-ph.GA2024

Lyman Continuum leakage from massive leaky starbursts: A different class of emitters?

Namrata Roy, Timothy Heckman, Alaina Henry +11

The origin of Lyman Continuum (LyC) photons responsible for reionizing the universe remains a mystery, with the fraction of escaping LyC photons from galaxies at z 6 to 12 be…

astro-ph.GA2024

CLASSY XI: Tracing Neutral Gas Properties using UV Absorption Lines and 21-cm Observations

Kaelee S. Parker, Danielle A. Berg, Simon Gazagnes +15

Rest-frame far-ultraviolet (FUV) observations from JWST are revolutionizing our understanding of the high-z galaxies that drove reionization and the mechanisms by which they accomp…

astro-ph.GA2024★ 1 cited

The Low-Redshift Lyman Continuum Survey: The Roles of Stellar Feedback and ISM Geometry in LyC Escape

Sophia R. Flury, Anne E. Jaskot, Alberto Saldana-Lopez +30

One of the fundamental questions of cosmology is the origin and mechanism(s) responsible for the reionization of the Universe beyond . To address this question, many studie…

astro-ph.GA2024

The Effect of Radiation and Supernovae Feedback on LyC Escape in Local Star-forming Galaxies

Cody A. Carr, Renyue Cen, Claudia Scarlata +25

Feedback is widely recognized as an essential condition for Lyman continuum (LyC) escape in star-forming galaxies. However, the mechanisms by which galactic outflows clear neutral…

astro-ph.GA2024

Shining a Light on the Connections between Galactic Outflows Seen in Absorption and Emission Lines

Xinfeng Xu, Alaina Henry, Timothy Heckman +14

Galactic outflows provide important feedback effects to regulate the evolution of host galaxies. Two primary diagnostics of outflows are broad and/or blueshifted emission and absor…

astro-ph.GA2024★ 1 cited

Multivariate Predictors of LyC Escape II: Predicting LyC Escape Fractions for High-Redshift Galaxies

Anne E. Jaskot, Anneliese C. Silveyra, Anna Plantinga +19

JWST is uncovering the properties of ever increasing numbers of galaxies at z>6, during the epoch of reionization. Connecting these observed populations to the process of reionizat…