About Us

Our group strives to uncover the basic physics of star formation, planetary systems, active galactic nuclei, the birth of stars and galaxies of the early universe, the characteristics of the light they emit, formation and evolution of galaxies and black holes. We tackle many of the problems of modern astrophysics by solving equations of relativistic radiation hydrodynamics, radiation transport, and gravitational dynamics, which faithfully capture the interaction of light with matter and the complex gravitational interactions, so crucial in the study of the formation and evolution of stars, galaxies, and black holes. To find solutions to the complicated system of equations that describe multi-component celestial bodies and turbulent flow, we conduct large-scale numerical simulations, using, amongst others, tailor-made supercomputers at the Center for Computational Sciences.

Featured Articles

Simultaneous Formation of the Andromeda Giant Southern Stream and the Substructures in the Andromeda Halo

The Cold Dark Matter (CDM) model, the current standard model of structure formation, suggests that larger galaxies formed hierarchically through the collisions and mergers of dwarf galaxies. Theory predicts that during this process, diffuse, faint structures consisting of stars, known as stellar streams (elongated stellar populations), emerge in the halo...

• Misa Yamaguchi (University of Tsukuba, Graduate School of Science and Technology)
• Masao Mori (University of Tsukuba, CCS)
• Takanobu Kirihara (Kitami Institute of Technology)
• Yohei Miki (University of Tokyo, Information Technology Center)
• Itsuki Ogami (SOKENDAI / NAOJ)
• Masashi Chiba (Tohoku University)
• Yutaka Komiyama (Hosei University)
• Mikito Tanaka (Hosei University)

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