activity
20122026
most citedDo Bars Trigger Activity in Galactic Nuclei?

65 citations · 758 across the 55 of their papers we have counts for

collaborators

56 papers

astro-ph.GA2026

LoVoCCS. III. Third Generation Pipeline & The Hercules Supercluster

Anthony M. Englert, Shenming Fu, Ian Dell'Antonio +29

The Local Volume Complete Cluster Survey (LoVoCCS) is a volume-complete survey of over one-hundred nearby (), X-ray luminous ($L_{500} > 10^{44} \text{ erg s}^{-1}…

astro-ph.CO2026

Weak Lensing Spectrotomography: A1767 and A2065

Jubee Sohn, Ian P. Dell'Antonio, Margaret J. Geller

We describe spectroscopic tomographic weak lensing measurements (spectrotomography) for two rich clusters of galaxies, A1767 and A2065, based on extensive spectroscopy and Subaru/H…

astro-ph.GA2026

Identification of Compact Groups of Galaxies in IllustrisTNG300

Seungwu Yoo, Jubee Sohn

We identify compact groups of galaxies (CGs) in the IllustrisTNG-300 simulation using a Friends-of-Friends (FoF) algorithm. Our approach is designed to be comparable to systematic…

astro-ph.GA2026

The Stellar Mass Function for Nine Massive Galaxy Clusters in the Local Universe

Jong-In Park, Jubee Sohn, Margaret J. Geller +2

We measure galaxy stellar mass functions (SMFs) for nine of the most massive galaxy clusters in the local universe () using deep and complete spectroscopy from the…

astro-ph.GA2025

The Redshifts from 122 Bands: Comparative Redshift Forecast for Low-Resolution Spectra from SPHEREx and 7-Dimensional Sky Survey (7DS)

Jangho Bae, Bomee Lee, Myungshin Im +21

The recently initiated SPHEREx and 7DS surveys will deliver low-resolution spectra () for hundreds of millions of galaxies over the optical to near-infrared range…

astro-ph.GA2025★ 1 cited

Velocity dispersion functions of pressure-supported galaxies in EAGLE simulations with varying active galactic nucleus feedback

Jungwon Choi, Jubee Sohn

We investigate the stellar velocity dispersion functions (VDFs) of pressure-supported galaxies in the EAGLE cosmological simulations. The central stellar velocity dispersion is one…

astro-ph.GA2025

AllBRICQS: The Discovery of Luminous Quasars in the Northern Hemisphere

Yunyi Choi, Yuming Fu, Myungshin Im +16

We present the second catalog of bright quasars from the All-sky BRIght, Complete Quasar Survey (AllBRICQS), focusing on spectroscopically observed quasars in the Northern Hemisphe…

astro-ph.GA2025

Structural evolution of quiescent galaxies at intermediate redshifts at UV and red rest-frame wavelengths

Michele Pizzardo, Ivana Damjanov, Jubee Sohn +1

We model the wavelength dependence of structural parameters for a mass-limited sample () of quiescent galaxies with using $griz…

astro-ph.CO2025

RVSNUpy: A Python Package for Spectroscopic Redshift Measurement Based on Cross-Correlation

Taewan Kim, Jubee Sohn, Ho Seong Hwang

We introduce RVSNUpy, a new Python package designed to measure spectroscopic redshifts. Based on inverse-variance weighted cross-correlation, RVSNUpy determines the redshifts by co…

astro-ph.CO2025

Machine learning based Photometric Redshifts for Galaxies in the North Ecliptic Pole Wide field: catalogs of spectroscopic and photometric redshifts

Taewan Kim, Jubee Sohn, Ho Seong Hwang +13

We perform an MMT/Hectospec redshift survey of the North Ecliptic Pole Wide (NEPW) field covering 5.4 square degrees, and use it to estimate the photometric redshifts for the sourc…

astro-ph.GA2024

The average stellar population age and metallicity of intermediate-redshift quiescent galaxies

Ivana Damjanov, Margaret J. Geller, Jubee Sohn

The HectoMAP spectroscopic survey provides a unique mass-limited sample of more than 35,000 quiescent galaxies () covering the redshift range . We segregate…

astro-ph.GA2024

The Velocity Dispersion Function for Quiescent Galaxies in Massive Clusters from IllustrisTNG

Jubee Sohn, Margaret J. Geller, Josh Borrow +1

We derive the central stellar velocity dispersion function for quiescent galaxies in 280 massive clusters with in IllustrisTNG300. The velocity di…

astro-ph.GA2024

Constructing a Galaxy Cluster Catalog in IllustrisTNG-300 using the Mulguisin Algorithm

Lael Shin, Jubee Sohn, Young Ju +2

We present a new simulated galaxy cluster catalog based on the IllustrisTNG simulation. We use the Mulguisin (MGS) algorithm to identify galaxy overdensities. Our cluster identific…

astro-ph.GA2024

Velocity Dispersions of Quiescent Galaxies in IllustirisTNG

Jubee Sohn, Margaret J. Geller, Josh Borrow +1

We examine the central stellar velocity dispersion of subhalos based on IllustrisTNG cosmological hydrodynamic simulations. The central velocity dispersion is a fundamental observa…

astro-ph.CO2024

LoVoCCS. II. Weak Lensing Mass Distributions, Red-Sequence Galaxy Distributions, and Their Alignment with the Brightest Cluster Galaxy in 58 Nearby X-ray-Luminous Galaxy Clusters

Shenming Fu, Ian Dell'Antonio, Zacharias Escalante +31

The Local Volume Complete Cluster Survey (LoVoCCS) is an on-going program to observe nearly a hundred low-redshift X-ray-luminous galaxy clusters (redshifts and X-ray…

astro-ph.GA2023★ 2 cited

The Way to Quench: Galaxy evolution in Abell 2142

Cheng-Gong Qu, Heng Yu, Antonaldo Diaferio +2

We show how the star formation activity of galaxies is progressively inhibited from the outer region to the center of the massive cluster A2142. From an extended spectroscopic reds…

astro-ph.GA2023★ 22 cited

In pursuit of giants: II. Evolution of dusty quiescent galaxies over the last six billion years from the hCOSMOS survey

Darko Donevski, Ivana Damjanov, Ambra Nanni +11

Quantifying changes in galaxies' interstellar medium (ISM) abundance after quenching star formation is an important aspect of galaxy evolution, but it is poorly constrained beyond…

astro-ph.GA2022★ 11 cited

Size and Spectroscopic Evolution of HectoMAP Quiescent Galaxies

Ivana Damjanov, Jubee Sohn, Margaret J. Geller +2

The HectoMAP survey provides a complete, mass-limited sample of 30,231 quiescent galaxies with band Hyper Suprime-Cam Subaru Strategic Program (HSC SSP) imaging that spans the…

astro-ph.CO2022★ 15 cited

HectoMAP: The Complete Redshift Survey (Data Release 2)

Jubee Sohn, Margaret J. Geller, Ho Seong Hwang +3

HectoMAP is a dense redshift survey of 95,403 galaxies based primarily on MMT spectroscopy with a median redshift . The survey covers 54.64 square degrees in a 1.5$^\cir…

astro-ph.GA2022★ 5 cited

Tracing the Giant Outer Halo of the Mysterious Massive Disk Galaxy M104 I. Photometry of the Extended Globular Cluster Systems

Jisu Kang, Myung Gyoon Lee, In Sung Jang +4

M104 (NGC 4594, the Sombrero galaxy) is a mysterious massive early-type galaxy that shows a dominant bulge and a prominent disk. However, the presence of a halo in M104 has been el…

astro-ph.CO2022★ 7 cited

IllustrisTNG Snapshots for 10 Gyr of Dynamical Evolution of Brightest Cluster Galaxies and Their Host Clusters

Jubee Sohn, Margaret J. Geller, Mark Vogelsberger +1

We explore the redshift evolution of the dynamical properties of massive clusters and their brightest cluster galaxies (BCGs) at based on the IllustrisTNG-300 simulation. W…

astro-ph.CO2022★ 11 cited

Chandra follow up of the Hectospec Cluster Survey: Comparison of Caustic and Hydrostatic Masses and Constraints on the Hydrostatic Bias

Crispin H. A. Logan, Ben J. Maughan, Antonaldo Diaferio +4

Clusters of galaxies are powerful probes with which to study cosmology and astrophysics. However, for many applications an accurate measurement of a cluster's mass is essential. A…

astro-ph.CO2022

A Spectroscopic View of the JWST/GTO Strong Lensing Cluster A1489

Kenneth J. Rines, Jubee Sohn, Margaret J. Geller +1

We discuss a spectroscopic survey of the strong lensing cluster A1489 that includes redshifts for 195 cluster members along with central velocity dispersions for 188 cluster member…

astro-ph.CO2022

Co-evolution of the Brightest Cluster Galaxies and their Host Clusters in IllustrisTNG

Jubee Sohn, Margaret J. Geller, Mark Vogelsberger +1

We use the IllustrisTNG simulations to explore the dynamic scaling relation between massive clusters and their central galaxies (BCGs). The Illustris TNG300-1 simulation we use inc…