Publications

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Refereed Publications

2025

• Simulating Spectral Confusion in SPHEREx Photometry and Redshifts (ADS)
  - Huai, Z., Bock, J. J., Cheng, Y.-T., …, Kim, Y., et al. 2025, ApJ, submitted

• Black Hole Properties of Type-1 Active Galactic Nuclei in the North Ecliptic Pole Wide Field: I. Mid-infrared Sources with Optical Counterparts
  - Kim, D., Im, M., Shim, H., …, Kim, Y., et al. 2025, ApJS, submitted

• The Redshifts from 122 Bands: Comparative Redshift Forecast for Low-Resolution Spectra from SPHEREx and 7-Dimensional Sky Survey (7DS)
  - Bae, J., Lee, B., Im, M., …, Kim, Y., et al. 2025, A&A, submitted

• Direct Observational Evidence that Higher-luminosity Type 1 Active Galactic Nuclei Are More Commonly Triggered by Galaxy Mergers
  - Yoon, Y., Kim, Y., Kim, D., et al. 2025, A&A, submitted

• The Potential of the SPHEREx Mission for Characterizing PAH 3.3 μm Emission in Nearby Galaxies
  - Zhang, E., Faisst, A. L., Crill, B., …, Kim, Y., et al. 2025, ApJ accepted (ADS)

• AllBRICQS: The Discovery of Luminous Quasars in the Northern Hemisphere
  - Choi, Y., Fu, Y., Im, M., …, Kim, Y., et al. 2025, ApJS accepted (ADS)

• New Field OB and OBe Binaries of the SMC Wing: Observational Properties and Population Modeling
  - Vargas-Salazar, I., Oey, M.~S., Eldridge, J.~J., …, Kim, Y., et al. 2025, ApJ, 988, 146 (ADS)

• High-Cadence Optical Observations of a Normal Type Ia SN 2018kp from Its Early Phase
  - Lim, G., Choi, C., Im, M., …, Kim, Y., et al. 2025, JKAS, 58, 31 (ADS)

• Accuracy of Stellar Mass-to-light Ratios of Nearby Galaxies in the Near Infrared
  - Kim, T., Kim, M., Ho, L. C., …, Kim, Y., et al. 2025, AJ, 169, 44 (ADS)

2024

• Exploring Unobscured QSOs in the Southern Hemisphere with KS4
  - Kim, Y., Kim, M., et al. 2024, ApJS, 275, 46 (ADS)

• Eddington Ratios of Dust-obscured Quasars at z≲1: Evidence Supporting Dust-obscured Quasars as Young Quasars
  - Kim, D., Kim, Y., et al. 2024, A&A, 690, 283 (ADS)

• Red Type-1 Quasars after Cosmic Noon and Impact on L_UV-related Quasar Statistics
  - Kim, Y., Kim, D., et al. 2024, ApJ, 972, 171 (ADS)

• Eddington Ratios of Dust-Obscured Quasars at z ~ 2
  - Kim, D., Im, M., Lim, G., and Kim, Y. 2024, JKAS, 57, 95 (ADS)

• Fires in the deep: The luminosity distribution of early-time gamma-ray-burst afterglows in light of the Gamow Explorer sensitivity requirements
  - Kann, D. A., White, N. E., …, Kim, Y., et al. 2024, A&A, 686, 56 (ADS)

• Galaxy-Galaxy Blending in SPHEREx Survey Data
  - Kim, D., Song, H., …, Kim, Y., et al. 2024, JKAS, 57, 45 (ADS)

2023

• Photometric Selection of Unobscured QSOs at the Ecliptic Poles: KMTNet in the South Field and Pan-STARRS in the North Field
  - Byun, W., Kim, M., Sheen, Y.-K., Kim, Y., et al. 2023, ApJS, 268, 57 (ADS)

• Estimators of Bolometric Luminosity and Black Hole Mass with Mid-infrared Continuum Luminosities for Dust-obscured Quasars: Prevalence of Dust-obscured SDSS Quasars
  - Kim, D., Im, M., Kim, M., Kim, Y., et al. 2023, ApJ, 954, 156 (ADS)

2022

• ALMA/ACA CO Survey of the IC 1459 and NGC 4636 Groups: Environmental Effects on the Molecular Gas of Group Galaxies
  - Lee, B., Wang, J., …, Kim, Y., et al. 2022, ApJS, 262, 31 (ADS)

• The Quasar Luminosity Function at z ~ 5 via Deep Learning and Bayesian Information Criterion
  - Shin, S., Im, M. & Kim, Y. 2022, ApJ, 937, 32 (ADS)

• The Infrared Medium-deep Survey. IX. Discovery of Two New z ~ 6 Quasars and Spced Density down to M₁₄₅₀ ~ -23.5 mag
  - Kim, Y., Im, M., et al. 2022, AJ, 164, 114 (ADS)

• High-z Universe proved via Lensing by QSOs (HULQ) II. Deep GMOS Spectroscopy of a QSO Lens Candidate
  - Taak, Y-. C., Im, M., Kim, Y., et al. 2022, A&A, 665, 5 (ADS)

• Newly Discovered z ~ 5 Quasars via Deep Learning and Bayesian Information Criterion
  - Shin, S., Im, M., Kim, Y. & Jiang, L., 2022, JKAS, 55, 131 (ADS)

2021

• Pure Density Evolution of Ultraviolet Quasar Luminosity Function at 2 ≲ z ≲ 6
  - Kim, Y. & Im, M. 2021, ApJL, 910, 11 (ADS)

2020

• The Infrared Medium-deep Survey. VIII. Quasar Luminosity Function at z ~ 5
  - Kim, Y., Im, M., et al. 2020, ApJ, 904, 111 (ADS)

• The Infrared Medium-deep Survey. VII. Faint Quasars at z ~ 5 in the ELAIS-N1 Field
  - Shin, S., Im, M., Kim, Y., et al. 2020, ApJ, 893, 45 (ADS)

2019

• More connected, more active: galaxy clusters and groups at z ~ 1 and the connection between their quiescent galaxy fractions and large-scale environments
  - Lee, S.-K., Im, M., …, Kim, Y. 2019, MNRAS, 490, 135 (ADS)

• High Star Formation Rates of Low Eddington Ratio Quasars at z ≳ 6
  - Kim, Y. & Im, M. 2019, ApJ, 879, 117 (ADS)

• Intensive Monitoring Survey of Nearby Galaxies (IMSNG)
  - Im, M., Choi, C., … Kim, Y., et al. 2019, JKAS, 52, 11 (ADS)

• The Infrared Medium-deep Survey. VI. Discovery of Faint Quasars at z ~ 5 with a Medium-band-based Approach
  - Kim, Y., Im, M., et al. 2019, ApJ, 870, 86 (ADS)

2018

• The Infrared Medium-deep Survey. IV. The Low Eddington Ratio of a Faint Quasar at z ~ 6: Not Every Supermassive Black Hole is Growing Fast in the Early Universe
  - Kim, Y., Im, M., et al. 2018, ApJ, 855, 138 (ADS)

2017

• The Infrared Medium-deep Survey. III. Survey of Luminous Quasars at 4.7 ≤ z ≤ 5.4
  - Jeon, Y., Im, M., Kim, D., Kim, Y., et al. 2017, ApJS, 231, 16 (ADS)

2016

• Discovery of Supercluster at z ~ 0.91 and Testing the ɅCDM Cosmological Model
  - Kim, J.-W., Im, M., …, Kim, Y., et al. 2016, ApJL, 821, 10 (ADS)

• The Infrared Medium-deep Survey. V. A New Selection Strategy for Quasars at z > 5 Based on Medium-Band Observations with SQUEAN
  - Jeon, Y., Im, M., …, Kim, Y., et al. 2016, JKAS, 49, 25 (ADS)

2015

• Discovery of a Faint Quasar at z ~ 6 and Implications for Cosmic Reionization
  - Kim, Y., Im, M., et al. 2015, ApJL, 813, 35 (ADS)

• Newly Discovered Footprints of Galaxy Interaction around Seyfert 2 Galaxy NGC 7743
  - Kim, Y., Im, M., et al. 2015, PKAS, 30, 463 (ADS)

2014

• The Infrared Medium-deep Survey. II. How to Trigger Radio AGNs? Hints from their Environments
  - Karouzos, Marios, Im, Myungshin, …, Kim, Y., et al. 2014, ApJ, 797, 26 (ADS)

Press Release

• “Astronomers can’t figure out why some black holes got so big so fast”, press on Science News, 2018 March, Link
• “Illumination of the Early Universe by Quasars: Korea’s 1st Result as Limited Gemini Partner”, highlight news of NOIRLab/Gemini, 2015 November, Link