activity
20162023
most citedFinding Peas in the Early Universe with JWST

89 citations · 431 across the 20 of their papers we have counts for

collaborators

20 papers

astro-ph.GA2023★ 2 cited

JWST's TEMPLATES for Star Formation: The First Resolved Gas-Phase Metallicity Maps of Dust-Obscured Star-Forming Galaxies at 4

Jack E. Birkin, Taylor A. Hutchison, Brian Welch +23

We present the first spatially resolved maps of gas-phase metallicity for two dust-obscured star-forming galaxies (DSFGs) at 4, from the JWST TEMPLATES Early Release Scienc…

astro-ph.GA2023

Strongly lensed [O III] emitters at Cosmic Noon with Roman: Characterizing extreme emission line galaxies on star cluster complex scales (100 pc)

Keunho J. Kim, Matthew B. Bayliss, Håkon Dahle +5

Extreme emission line galaxies (EELGs) are considered the primary contributor to cosmic reionization and are valuable laboratories to study the astrophysics of massive stars. It is…

astro-ph.GA2023★ 66 cited

Spatial variations in aromatic hydrocarbon emission in a dust-rich galaxy

Justin S. Spilker, Kedar A. Phadke, Manuel Aravena +35

Dust grains absorb half of the radiation emitted by stars throughout the history of the universe, re-emitting this energy at infrared wavelengths. Polycyclic aromatic hydrocarbons…

astro-ph.GA2023★ 2 cited

Small Region, Big Impact: Highly Anisotropic Lyman-continuum Escape from a Compact Starburst Region with Extreme Physical Properties

Keunho J. Kim, Matthew B. Bayliss, Jane R. Rigby +13

Extreme, young stellar populations are considered the primary contributor to cosmic re-ionization. How Lyman-continuum (LyC) escapes these galaxies remains highly elusive, and it i…

astro-ph.GA2023★ 8 cited

SPT-CL J2215-3537: A Massive Starburst at the Center of the Most Distant Relaxed Galaxy Cluster

Michael S. Calzadilla, Lindsey E. Bleem, Michael McDonald +14

We present the discovery of the most distant, dynamically relaxed cool core cluster, SPT-CL J2215-3537 (SPT2215) and its central brightest cluster galaxy (BCG) at z=1.16. Using new…

astro-ph.GA2023★ 4 cited

Evidence for AGN-Regulated Cooling in Clusters at : A Multi-Wavelength View of SPT-CL J0607-4448

Megan Masterson, Michael McDonald, Behzad Ansarinejad +9

We present a multi-wavelength analysis of the galaxy cluster SPT-CL J0607-4448 (SPT0607), which is one of the most distant clusters discovered by the South Pole Telescope (SPT) at…

astro-ph.GA2022★ 37 cited

The connection between galactic outflows and the escape of ionizing photons

Ramesh Mainali, Jane R. Rigby, John Chisholm +13

We analyze spectra of a gravitationally lensed galaxy, known as the Sunburst Arc, that is leaking ionizing photons, also known as the Lyman continuum (LyC). Magnification from grav…

astro-ph.GA2022★ 30 cited

The Cosmic Telescope that Lenses the Sunburst Arc, PSZ1 G311.65-18.48: Strong Gravitational Lensing model and Source Plane Analysis

Keren Sharon, Guillaume Mahler, T. Emil Rivera-Thorsen +12

We present a strong lensing analysis of the cluster PSZ1 G311.65-18.48, based on Hubble Space Telescope imaging, archival VLT/MUSE spectroscopy, and Chandra X-ray data. This cool-c…

astro-ph.GA2022★ 89 cited

Finding Peas in the Early Universe with JWST

James E. Rhoads, Isak G. B. Wold, Santosh Harish +6

The Early Release Observations (EROs) of JWST beautifully demonstrate the promise of JWST in characterizing the universe at cosmic dawn. We analyze the ERO spectra of three $z \sim…

astro-ph.GA2022

A Gradual Decline of Star Formation since Cluster In-fall: New Kinematic Insights into Environmental Quenching at 0.3 1.1

Keunho J. Kim, Matthew B. Bayliss, Allison G. Noble +14

The environments where galaxies reside crucially shape their star formation histories. We investigate a large sample of 1626 cluster galaxies located within 105 galaxy clusters spa…

astro-ph.GA2021★ 14 cited

Synthesizing Stellar Populations in South Pole Telescope Galaxy Clusters: I. Ages of Quiescent Member Galaxies at 0.3 < z < 1.4

Gourav Khullar, Matthew B. Bayliss, Michael D. Gladders +14

Using stellar population synthesis models to infer star formation histories (SFHs), we analyse photometry and spectroscopy of a large sample of quiescent galaxies which are members…

astro-ph.GA2021★ 28 cited

The Compact UV Size of Green Pea Galaxies As Local Analogs of High-redshift Ly-Emitters

Keunho J. Kim, Sangeeta Malhotra, James E. Rhoads +1

We study the dependence of Ly escape from galaxies on UV continuum size and luminosity using a sample of 40 Green Pea (GP) galaxies, which are the best local analogs of high-red…

astro-ph.GA2020★ 24 cited

The Importance Of Star Formation Intensity In LYα Escape From Green Pea Galaxies And Lyman Break Galaxy Analogs

Keunho Kim, Sangeeta Malhotra, James E. Rhoads +2

We have studied ultraviolet images of 40 Green Pea galaxies and 15 local Lyman Break Galaxy Analogs to understand the relation between Ly photon escape and central UV photometri…

astro-ph.GA2019★ 10 cited

Impact of Galaxy Mergers on the Colours of Cluster Galaxies

Sree Oh, Keunho Kim, Joon Hyeop Lee +9

We examine the ultraviolet and optical colours of 906 cluster galaxies from the KASI-Yonsei Deep Imaging Survey of Clusters (KYDISC). Galaxies have been divided into two categories…

astro-ph.GA2018★ 23 cited

Galaxy Structure, Stellar Populations, and Star Formation Quenching at 0.6 1.2

Keunho Kim, Sangeeta Malhotra, James E. Rhoads +3

We use both photometric and spectroscopic data from the {\it Hubble Space Telescope} to explore the relationships among 4000 Å break (D4000) strength, colors, stellar masses, and m…

astro-ph.GA2018★ 6 cited

Emission Line Metallicities From The Faint Infrared Grism Survey and VLT/MUSE

John Pharo, Sangeeta Malhotra, James Rhoads +20

We derive direct measurement gas-phase metallicities of for 14 low-mass Emission Line Galaxies (ELGs) at identified in the Faint Infrar…

astro-ph.GA2018★ 41 cited

KYDISC: Galaxy Morphology, Quenching, and Mergers in the Cluster Environment

Sree Oh, Keunho Kim, Joon Hyeop Lee +8

We present the KASI-Yonsei Deep Imaging Survey of Clusters (KYDISC) targeting 14 clusters at 0.015 < z < 0.144 using the Inamori Magellan Areal Camera and Spectrograph on the 6.5-m…

astro-ph.GA2018★ 10 cited

FIGS: Spectral fitting constraints on the star formation history of massive galaxies since Cosmic Noon

Ignacio Ferreras, Anna Pasquali, Nor Pirzkal +16

We constrain the stellar population properties of a sample of 52 massive galaxies, with stellar mass log Ms>10.5, over the redshift range 0.5<z<2 by use of observer-frame optical a…

astro-ph.GA2018★ 5 cited

Spectrophotometric Redshifts In The Faint Infrared Grism Survey: Finding Overdensities Of Faint Galaxies

John Pharo, Sangeeta Malhotra, James Rhoads +19

We improve the accuracy of photometric redshifts by including low-resolution spectral data from the G102 grism on the Hubble Space Telescope, which assists in redshift determinatio…

astro-ph.GA2016★ 32 cited

The Demographics of galactic bulges in the SDSS database

Keunho Kim, Sree Oh, Hyunjin Jeong +3

We present a new database of our two-dimensional bulge-disk decompositions for 14,233 galaxies drawn from SDSS DR12 in order to examine the properties of bulges residing in the loc…