Research Aims

Exploring the origins of galaxy formation, evolution, and the nature of the Universe.

CGER Research Roadmap

Research Projects

Project 1: Revealing the Origin of Galaxy Formation through Next-Generation Precision Evolution Models

PHASE 1

Fundamental Understanding of Baryon Cycles and Development of Proprietary Numerical Simulation Codes

  • Understanding the impact of various stellar feedbacks on baryon cycles
  • Understanding how star formation physics influences galaxy evolution
  • Development of RAMSES-yOMP (proprietary simulation code) and observation pipelines
PHASE 2

Development of Precision Physics Modules and Solving Challenges in Galaxy Astronomy

  • Developing precision cooling physics modules using Machine Learning
  • Researching the origin of Circumgalactic Medium (CGM), a newly emerging galactic component
  • Studying elliptical galaxy properties using black hole feedback
  • Researching the origin of cosmic reionization and early dwarf galaxies
PHASE 3

Performance of Large-scale Cosmological Simulations and Identifying the Origin of Galaxy Formation

  • Statistical comparison between cosmological simulations and observations, and research on galaxy evolution based on cosmological constants
  • Exploration of the origin of galactic angular momentum
  • Researching the "Nature vs. Nurture" problem in galaxy evolution

Project 2: Investigating the Accelerating Universe and Dark Energy through Supernova Host Galaxy Research

PHASE 1

Securing High-quality Spectroscopic and Survey Photometric Data of Type Ia Supernova Host Galaxies

  • Securing precision data for nearby Type Ia supernova host galaxies
  • Development of the Yonsei Evolutionary Population Synthesis (YEPS) model and stellar population analysis codes
  • Proposing new standardization methods for Type Ia supernova luminosity
PHASE 2

Research on Re-standardization of Type Ia Supernova Luminosity and Development of Precision Measurement Models for Host Galaxies

  • Applying age-measurement methods developed in Phase 1 to distant host galaxies
  • Verifying whether correlations found in nearby galaxies apply to distant ones
  • Validating and improving models through comparative analysis of observations and developed models
PHASE 3

Cosmological Research Inferred from Newly Analyzed Type Ia Supernova Luminosity

  • Presenting cosmology based on Type Ia supernova luminosity proposed in Phases 1 and 2
  • Deriving the relationship between the age of the Universe and host galaxies
  • Analyzing relationships between new cosmological models, cosmic age, and various cosmological parameters