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Research

Resonant orbits of the bar

Bar resonances

Milky Way has a bar. It affects the orbits and distribution of the disk stars.

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Edge on view of the perturbed Galactic disk

Externaly perturbed Galactic disk

Our Galaxy is externally perturbed by the satellite galaxies

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Face-on density map of a disk galaxy

Spiral Arms

Spiral arms induce a vertical buld motion called the breathing motion. We can discuss the growth/disruption of spiral arms by analyzing the breathing motion.

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