Dept. of Astronomy
Yonsei University,
134 shinchon-dong,
Sudaemun-gu, Seoul
120-179, Korea








  Name Interests
Professor Sukyoung Ken Yi Galaxy Evolution & Cosmology
Ph.D Sugata Kaviraj
Kevin Schawinski
Evolution of Early-Type Galaxy (ETG)
Early-type Galaxy Formation & AGN Feedback
Ph.D student Yun-Kyeong Sheen
Hyunjin Jeong
Galaxy Environment & Post Merger
Merger Signature & Galaxy Evolution
Master student Taysun Kimm
Kyuseok Oh
Hyewon Suh
Dowon Yi
Jihye Lee
Jayhyun Lee
Galaxy Formation & Evolution
Pair Galaxies
Early-type Blue core galaxies
Galaxy Merging & N-body simulation
Environmental effects on Galaxy Evolution
Galaxy Formation & Evolution
Former member ChangHee Ree
Masato Onodera
Ena Choi
Joo Heon Yoon
SeongHee Kim
Demographical properties of ETG
High-z galaxy Evolution
Galaxy Chemical Evolution
Galaxy Merger & Environment
Globular Cluster Formation & Stellar Evolution


Old GEMers





Sukyoung Ken Yi

  • Professor (Yonsei University)
  • Qualifications
    • Ph.D. (Yale University)
    • M.S. (Yonsei University, Astronomy)
    • B.S. (Yonsei University, Astronomy)
  • Research Interests
    • Stellar Evolution
    • Galaxy Evolution and Cosmology
    • UV space Observation
    • Population Synthesis
  • Referred publification list from ADS
  • More Info.



Sugata Kaviraj

  • Postdoctoral Researcher (University of Oxford)
  • Qualifications
    • Ph.D. (University of Oxford)
    • MSci (Physics), MSc (Applied Mathematics)
  • Research Interests
    • Formation and Evolution of Early-type Galaxies
    • Deducing star formation histories from multi-wavelength photometry with a focus on early-type galaxies



Kevin Schawinski

  • Postdoctoral Researcher (Yale University)
  • Qualifications
    • Ph.D. (University of Oxford)
    • B.A. (Math & Physics)
  • Research Interests
    • Early-type Galaxy Formation
    • AGN Feedback




Yun-Kyeong Sheen

  • Ph.D. Candidate (Yonsei University)
  • Qualifications
    • M.S. (Yonsei University, Astronomy)
    • B.S. (Yonsei University, Astronomy)
  • Research Interests
    • Galaxy Cluster Environment
    • Post-Merger Signature



HyunJin Jeong

  • Ph.D. Candidate (Yonsei University)
  • Qualifications
    • M.S. (Yonsei University, Astronomy)
    • B.S. (Yonsei University, Astronomy)
  • Research Interests
    • Merger Signature
    • Galaxy Formation & Evolution




Taysun Kimm

  • Master (Yonsei University)
  • Qualifications
    • M.S. (Yonsei University, Astronomy)
    • B.S. (Yonsei University, Astronomy)
  • Research Interests
    • Semi-Analytic Modeling for Galaxy Formation
    • Galaxy Bimodality
    • Environmental effect on Galaxy Properties
  • Personal Homepage



Kyuseok Oh

  • Master Candidate (Yonsei University)
  • Qualifications
    • B.S. (Yonsei University, Astronomy)
  • Research Interests
    • Properties of Pair Galaxy
    • Galaxy Formation and Evolution



Hyewon Suh

  • Master Candidate (Yonsei University)
  • Qualifications
    • B.S. (Yonsei University, Astronomy)
  • Research Interests
    • Early-type Blue Core Galaxies
    • Galaxy Formation and Evolution



Dowon Yi

  • Master Candidate (Yonsei University)
  • Qualifications
    • B.S. (Yonsei University, Astronomy)
  • Research Interests
    • N-body Simulation
    • Galaxy Merging



Former Members


Masato Onodera

  • Postdoctoral Researcher ( CEA-Saclay,DSM/DAPNIA/Serviced Astrophysique)
  • Qualifications
    • Ph.D. in Science (University of Tokyo)
    • M.S. in Science (University of Tokyo)
    • B.S. in Science (University of Tokyo)
  • Research Interests
    • Star-formation, mass assembly and chemical enrichment in high-z galaxies
    • CMD study for resolved stellar population in nearby galaxies



Ena Choi

  • Ph. D. Candidate (Princeton University)
  • Qualifications
    • M.S. (Yonsei University, Astronomy)
    • B.S. (Yonsei University, Astronomy)
  • Research Interests
    • Galaxy Chemical Evolution
    • Galaxy Formation & Evolution



JooHeon Yoon

  • Ph. D. Candidate (Columbia University)
  • Qualifications
    • M.S. (Yonsei University, Astronomy)
    • B.S. (Yonsei University, Astronomy)
  • Research Interests
    • Post-Merger Signature
    • Galaxy Environment
  • Personal Homepage



Seong-Hee Kim

  • Master (Yonsei University)
  • Qualifications
    • M.S. (Yonsei University, Astronomy)
    • B.S. (Yonsei University, Astronomy)
  • Research Interests
    • Galaxy Formation & Evolution
    • Star Formation & Evolution
    • GC Formation