The pattern speed of the Milky Way bar/bulge from VIRAC and Gaia

The pattern speed of the Milky Way bar/bulge from VIRAC and Gaia

We compare distance resolved, absolute proper motions in the Milky Way bar/bulge region to a grid of made-To-measure dynamical models with well-defined pattern speeds. The data are obtained by combining the relative VVV InfraRed Astrometric Catalogue (VIRAC) v1 proper motions with the Gaia Data Rele...

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Bibliographic Details
Main Authors: Clarke, J.P (Author), Gerhard, O. (Author)
Format: Article
Language:English
Published: Oxford University Press 2022
Subjects:
Data release
Dynamical modeling
Galaxies
Galaxies: fundamental parameters
Galaxies: Kinematics and dynamics
Galaxies:structure
Galaxy: Bulge
Galaxy: Fundamental parameters
Galaxy: Kinematics and dynamics
Galaxy: Structure
Galaxy:bulge
Made-to-measure
Milky ways
Outer lindblad resonances
Proper motion
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