Youkyung Ko

Korea Astronomy and Space Science Institute — South Korea

Physics and Astronomy · Physical Sciences

5h-index144citations38works1.02yr avg
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Research Topics

Astronomy and Astrophysical Research(24), Stellar, planetary, and galactic studies(20), Galaxies: Formation, Evolution, Phenomena(14), Astrophysics and Star Formation Studies(5), Gamma-ray bursts and supernovae(5)

Publications38 total

A Supermassive Black Hole in a Diminutive Ultracompact Dwarf Galaxy Discovered with JWST/NIRSpec+IFU
The Astrophysical Journal Letters·2025· 3 citedOpen Access
A JWST View of the Overmassive Black Hole in NGC 4486B
arXiv (Cornell University)·2025Open Access
A Supermassive Black Hole in a Diminutive Ultra-compact Dwarf Galaxy Discovered with JWST/NIRSpec+IFU
arXiv (Cornell University)·2025Open Access
An evolutionary continuum from nucleated dwarf galaxies to star clusters
Nature·2023· 31 citedOpen Access
How to Assess Historical Thinking Competencies - An Attempt by the German HiTCH Project -
The Korean History Education Review·2023
Tracing the Giant Outer Halo of the Mysterious Massive Disk Galaxy M104. I. Photometry of the Extended Globular Cluster Systems
The Astrophysical Journal·2022· 4 citedOpen Access
Tracing the Giant Outer Halo of the Mysterious Massive Disk Galaxy M104 I. Photometry of the Extended Globular Cluster Systems
arXiv (Cornell University)·2022Open Access
Co-added optical spectra of globular clusters around M87 in the Virgo Cluster
Zenodo (CERN European Organization for Nuclear Research)·2022Open Access
Co-added optical spectra of globular clusters around M87 in the Virgo Cluster
Zenodo (CERN European Organization for Nuclear Research)·2022Open Access
The Next Generation Virgo Cluster Survey. XXXIII. Stellar Population Gradients in the Virgo Cluster Core Globular Cluster System
The Astrophysical Journal·2022· 5 citedOpen Access
The Color Gradients of the Globular Cluster Systems in M87 and M49
The Astrophysical Journal·2022· 3 citedOpen Access
The Globular Cluster Systems of Virgo Cluster Dwarf Galaxies
American Astronomical Society Meeting Abstracts #233·2021
VizieR Online Data Catalog: NGVS. XXXIV. Ultracompact dwarf galaxies in Virgo (Liu+, 2020)
VizieR Online Data Catalog·2020
The Next Generation Virgo Cluster Survey. XXXIV. Ultracompact Dwarf Galaxies in the Virgo Cluster
The Astrophysical Journal Supplement Series·2020· 36 citedOpen Access
The Next Generation Virgo Cluster Survey. XXXIV. Ultra-Compact Dwarf (UCD) Galaxies in the Virgo Cluster
arXiv (Cornell University)·2020Open Access
A discrete chemo-dynamical model of M87’s globular clusters: Kinematics extending to ∼400 kpc
Monthly Notices of the Royal Astronomical Society·2020· 16 citedOpen Access
An Automated Pipeline for Globular Cluster Detection in Virgo Cluster Dwarf Galaxies
American Astronomical Society Meeting Abstracts #235·2020
A Wide-field Photometric Survey of Globular Clusters in the Peculiar Early-type Galaxy M85
The Astrophysical Journal·2019· 15 citedOpen Access
VizieR Online Data Catalog: Wide-field spectrosc. survey of GCs in Virgo cluster (Ko+, 2017)
VizieR Online Data Catalog·2017
Erratum: “Optical Spectroscopy of Supernova Remnants in M81 AND M82” (2015, ApJ, 804, 63)
The Astrophysical Journal·2017Open Access
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Frequent Co-authors

Sungsoon Lim(22), Myung Gyoon Lee(21), Jubee Sohn(19), Narae Hwang(15), Eric W. Peng(14), In Sung Jang(12), Hong Soo Park(11), Laura Ferrarese(10), Chengze Liu(9), Byeong-Gon Park(9), Patrick Côté(8), John P. Blakeslee(8), Joel Roediger(7), Puragra Guhathakurta(7), A. Lançon(6), Thomas H. Puzia(6), Rubén Sánchez-Janssen(5), Pierre–Alain Duc(5), Stephen Gwyn(5), A. Longobardi(5)