45 citations · 426 across the 43 of their papers we have counts for
44 papers
Constructing a Mock Galaxy Catalog for the All-sky SPECtroscopic Survey of Nearby Galaxies (A-SPEC) Using the Machine-assisted Semi-Simulation Model
Dongkok Kim, Yongseok Jo, Ho Seong Hwang +26
We present a methodology for constructing a mock galaxy catalog for the All-sky SPECtroscopic survey of nearby galaxies (A-SPEC) using the Machine-assisted Semi-Simulation Model. T…
Enhancing the Detection Sensitivity of Primordial Parity Violation using Galaxy Spins
Byoungjo Yu, Junsup Shim, Hyunmi Song
It has been recently demonstrated that the signature of primordial parity violation could be imprinted in halo spins, indicating its potential detectability through the late-time g…
The impact of evolving cosmic filaments on mass and spin evolution of dark matter halos
Hannah Jhee, Hyunmi Song, Clotilde Laigle +3
The evolution of galaxies is closely tied to that of their host dark matter halos, which is in turn strongly modulated by the surrounding large-scale environment. Cosmic filaments…
ODIN: Rest-frame Optical Morphologies and Star Formation Activity of Lyα Emitters at z=2.4, 3.1, and 4.5
Sang Hyeok Im, Ho Seong Hwang, Jeong Hwan Lee +19
We analyze the rest-frame optical (~8000 Å) morphologies and star formation activity of Lyα emitters (LAEs) at redshifts , , and , identified in the ODIN survey. To…
A New Collision Avoidance Fiber Assignment Algorithm for Robotic Fiber Positioners in Multi-Object Spectroscopy
Minseong Kwon, Ho Seong Hwang, Jong Chul Lee +22
We present a new fiber assignment algorithm for a robotic fiber positioner system in multi-object spectroscopy. Modern fiber positioner systems typically have overlapping patrol re…
ODIN: Clustering Properties of Ly Blobs at 2.4 and 3.1
Byeongha Moon, Yujin Yang, Eric Gawiser +18
Spatially extended Ly nebulae, known as Ly blobs (LABs), are a rare population at that are thought to trace proto-groups or the progenitors of massive galaxies in the…
Effect of local environment on Ly line profile in DESI/ODIN LAEs
Ana Sofía M. Uzsoy, Arjun Dey, Anand Raichoor +51
Lyman-Alpha Emitters (LAEs) are star-forming galaxies with significant Ly emission and are often used as tracers of large-scale structure at high redshift. We explore the relati…
ODIN: Characterizing the Three-dimensional Structure of Two Protocluster Complexes at
Vandana Ramakrishnan, Ashley Ortiz, Byeongha Moon +52
We present a detailed study of the 3D morphology of two extended associations of multiple protoclusters at . These protocluster 'complexes', designated COSMOS-z3.1-A and COS…
ODIN: Star Formation Histories Reveal Formative Starbursts Experienced by Lyman Alpha Emitting Galaxies at Cosmic Noon
Nicole M. Firestone, Eric Gawiser, Kartheik G. Iyer +27
In this work, we test the frequent assumption that Lyman Alpha Emitting galaxies (LAEs) are experiencing their first major burst of star formation at the time of observation. To th…
Quenching of Galaxies at Cosmic Noon: Understanding the Effect of Environment
Akriti Singh, Lucia Guaita, Pascale Hibon +16
The aim of this study is to identify quiescent galaxies in the 2-deg COSMOS field at and analyze their environment. Using data from the ODIN survey and COSMOS2020…
ODIN: Strong Clustering of Protoclusters at Cosmic Noon
Vandana Ramakrishnan, Kyoung-Soo Lee, Nicole Firestone +15
The One-hundred-deg DECam Imaging in Narrowbands (ODIN) survey is carrying out a systematic search for protoclusters during Cosmic Noon, using Ly-emitting galaxies (LAEs) as…
Galaxy populations in protoclusters at cosmic noon
Moira Andrews, M. Celeste Artale, Ankit Kumar +20
We investigate the physical properties and redshift evolution of simulated galaxies residing in protoclusters at cosmic noon, to understand the influence of the environment on gala…
Testing Lyman Alpha Emitters and Lyman-Break Galaxies as Tracers of Large-Scale Structures at High Redshifts
Sang Hyeok Im, Ho Seong Hwang, Jaehong Park +21
We test whether Lyman alpha emitters (LAEs) and Lyman-break galaxies (LBGs) can be good tracers of high-z large-scale structures, using the Horizon Run 5 cosmological hydrodynamica…
ODIN: Identifying Protoclusters and Cosmic Filaments Traced by Ly-emitting Galaxies
Vandana Ramakrishnan, Kyoung-Soo Lee, Maria Celeste Artale +22
To understand the formation and evolution of massive cosmic structures, studying them at high redshift, in the epoch when they formed the majority of their mass is essential. The O…
A Deep Redshift Survey of the Perseus Cluster: Spatial Distribution and Kinematics of Galaxies
Wooseok Kang, Ho Seong Hwang, Hyunmi Song +3
We study the global kinematics of the Perseus galaxy cluster (Abell 426) at redshift z = 0.017 using a large sample of galaxies from our new MMT/Hectospec spectroscopic observation…
Understanding the Formation and Evolution of Dark Galaxies in a Simulated Universe
Gain Lee, Ho Seong Hwang, Jaehyun Lee +2
We study the formation and evolution of dark galaxies using the IllustrisTNG cosmological hydrodynamical simulation. We first identify dark galaxies with stellar-to-total mass rati…
ODIN: Improved Narrowband Ly Emitter Selection Techniques for = 2.4, 3.1, and 4.5
Nicole M. Firestone, Eric Gawiser, Vandana Ramakrishnan +25
Lyman-Alpha Emitting galaxies (LAEs) are typically young, low-mass, star-forming galaxies with little extinction from interstellar dust. Their low dust attenuation allows their Ly$…
Estimators of Bolometric Luminosity and Black Hole Mass with Mid-infrared Continuum Luminosities for Dust-obscured Quasars: Prevalence of Dust-obscured SDSS Quasars
Dohyeong Kim, Myungshin Im, Minjin Kim +4
We present bolometric luminosity () and black hole (BH) mass () estimators based on mid-infrared (MIR) continuum luminosity (hereafter, ) that…
The One-hundred-deg^2 DECam Imaging in Narrowbands (ODIN): Survey Design and Science Goals
Kyoung-Soo Lee, Eric Gawiser, Changbom Park +39
We describe the survey design and science goals for ODIN (One-hundred-deg^2 DECam Imaging in Narrowbands), a NOIRLab survey using the Dark Energy Camera (DECam) to obtain deep (AB~…
Photometric Selection of Unobscured QSOs in the Ecliptic Poles: KMTNet in the South Field and Pan-STARRS in the North Field
Woowon Byun, Minjin Kim, Yun-Kyeong Sheen +18
We search for quasi-stellar objects (QSOs) in a wide area of the south ecliptic pole (SEP) field, which has been and will continue to be intensively explored through various space…
Metallicity-PAH Relation of MIR-selected Star-forming Galaxies in AKARI North Ecliptic Pole-wide Survey
Hyunjin Shim, Ho Seong Hwang, Woong-Seob Jeong +9
We investigate the variation in the mid-infrared spectral energy distributions of 373 low-redshift () star-forming galaxies, which reflects a variety of polycyclic aromatic…
Spatial distribution of dark matter in and around galaxy clusters traced by galaxies, gas and intracluster stars in a simulated universe
Jihye Shin, Jong Chul Lee, Ho Seong Hwang +5
To understand how well galaxies, gas and intracluster stars trace dark matter in and around galaxy clusters, we use the IllustrisTNG cosmological hydrodynamical simulation and comp…
Is Abell 2261 a fossil galaxy cluster in a transitional dynamical state?
Hyowon Kim, Jongwan Ko, Rory Smith +5
Abell 2261 (A2661) is a well-studied fossil cluster, but previous studies give contradictory results on its dynamical states, such as its X-ray central entropy and magnitude gap. T…
Scattering of Lyα Photons through the Reionizing Intergalactic Medium: I. Spectral Energy Distribution
Hyunbae Park, Hyo Jeong Kim, Kyungjin Ahn +7
During reionization, a fraction of galactic Ly emission is scattered in the intergalactic medium (IGM) and appears as a diffuse light extending megaparsecs from the source. We i…