Bar-driven Streaming Motions Mimic a Massive Bulge in the Inner Milky Way

The circular speed curve of the Milky Way provides a key constraint on its mass distribution, reflecting the axisymmetric component of the gravitational potential. This is especially critical in the inner Galaxy ( R  ≲ 4 kpc), where nonaxisymmetric structures, such as the stellar bar and nuclear ste...

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Bibliographic Details
Main Author: Junichi Baba
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
Subjects:
Online Access:https://doi.org/10.3847/1538-4357/adf2a3
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