Research

1. Coevolution between Active Galactic Nuclei and Host Galaxies

• "Relation between Black Hole Mass and Bulge Luminosity in Hard X-Ray Selected Type 1 AGNs", Son et al., 2022

• "A Hubble Space Telescope Imaging Survey of Low-redshift Swift-BAT Active Galaxies", Kim et al., 2021

• "Evidence for a Young Stellar Population in Nearby Type 1 Active Galaxies", Kim et al., 2019

• "Stellar Photometric Structures of the Host Galaxies of Nearby Type 1 Active Galactic Nuclei", Kim et al., 2017

• "The Origin of the Intrinsic Scatter in the Relation Between Black Hole Mass and Bulge Luminosity for Nearby Active Galaxies", Kim et al., 2008

• "Constraints on the Star Formation Rate in Active Galaxies", Kim et al., 2006

2. Central Structures of Active Galactic Nuclei

• "Mid-infrared Variability of Low-redshift Active Galactic Nuclei: Constraints on a Hot Dust Component with a Variable Covering Factor", Son et al., 2022

• "A Revised Calibration of the Virial Mass Estimator for Black Holes in Active Galaxies Based on Single-epoch Hβ Spectra", Ho & Kim, 2015

• "The Black Hole Mass Scale of Classical and Pseudo Bulges in Active Galaxies", Ho & Kim, 2014

3. Tidal Dsitruption Events

• "A Mid-infrared Flare in the Seyfert Galaxy NGC 3786: A Changing-look Event Triggered by an Obscured Tidal Disruption Event?", Son et al., 2022
  - news article 

• "The nuclear transient AT 2017gge: a tidal disruption event in a dusty and gas-rich environment and the awakening of a dormant SMBH", Onori et al., 2022

4. Evolution of Nearby Galaxies

• We have conducted a deep and wide imaging survey of nearby galaxies using KMTNet telescopes. (KNGS)
  
  - "KMTNet Nearby Galaxy Survey. I. Optimal Strategy for Low Surface Brightness Imaging with KMTNet", Byun et al., 2018
  - "KMTNet Nearby Galaxy Survey II. Searching for Dwarf Galaxies in Deep and Wide-field Images of the NGC 1291 System", Byun et al., 2020
  - "KMTNet Nearby Galaxy Survey. III. Deficient Hα Flux in the Extended Disks of Spiral Galaxies", Byun et al., 2021
  - "KMTNet Nearby Galaxy Survey: Overview and Survey Description", Byun et al., 2022

5. Intermediate-mass Black Holes

• "Stellar properties of the host galaxy of an ultraluminous X-ray source in NGC 5252", Kim et al., 2020

• "The extended radio jet of an off-nuclear low-mass AGN in NGC 5252", Mezcua, Kim & Ho, 2018

• "Ionized Gas Kinematics around an Ultra-luminous X-Ray Source in NGC 5252: Additional Evidence for an Off-nuclear AGN", Kim et al., 2017

• "An Off-nucleus Nonstellar Black Hole in the Seyfert Galaxy NGC 5252", Kim et al., 2015

6. SPHEREx (The Spectro-Photometer for the History of the Universe and Ices Explorer)

• "Simulations of Torus Reverberation Mapping Experiments with SPHEREx", Kim et al., 2021

• "Science Impacts of the SPHEREx All-Sky Optical to Near-Infrared Spectral Survey: Report of a Community Workshop Examining Extragalactic, Galactic, Stellar and Planetary Science", Dore et al., 2016

• "Science Impacts of the SPHEREx All-Sky Optical to Near-Infrared Spectral Survey II: Report of a Community Workshop on the Scientific Synergies Between the SPHEREx Survey and Other Astronomy Observatories", Dore et al., 2018