Dark Galactic Subhalos and the Gaia Snail

Gaia has revealed a clear signal of disequilibrium in the solar neighborhood in the form of a spiral (or snail) feature in the vertical phase-space distribution. We investigate the possibility that this structure emerges from ongoing perturbations by dark $\left(1{0}^{6}{M}_{\odot }-1{0}^{8}\,{M}_{\...

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Bibliographic Details
Main Authors: Daniel Gilman, Jo Bovy, Neige Frankel, Andrew Benson
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
Subjects:
Online Access:https://doi.org/10.3847/1538-4357/ada963
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