Formation of the Two-armed Phase Spiral from Multiple External Perturbations

Recent studies using the Gaia DR3 data have revealed a two-armed phase spiral in the Z – V _Z phase space in the inner disk. In this study, we present new features of the two-armed phase spiral revealed by the Gaia data and a new mechanism to explain such features with multiple external perturbation...

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Bibliographic Details
Main Authors: Junxian Lin, Zhao-Yu Li, Rui Guo, Jason A. S. Hunt, T. Antoja, Chengye Cao
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
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Online Access:https://doi.org/10.3847/1538-4357/adea70
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