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astro-ph.GA2026
Tree-ring structure of Galactic bar resonance in N-body simulations
Rimpei Chiba, Michiko Fujii, Junichi Baba +2
We study the structure and evolution of the galactic bar's resonant phase-space in self-consistent N-body simulations of the Milky Way, with and without perturbations from the Sagi…
astro-ph.GA2026★ 1 cited
Galaxy fly-bys sustain bar-halo friction and bar slowdown in disk galaxies
Rumi Kodama, Rimpei Chiba, Tetsuro Asano +2
Bars in disk galaxies slow down as they transfer their angular momentum to their dark matter halo via dynamical friction from near-resonant orbits. This bar-halo dynamical friction…