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The Galactic Bulge Exploration. VI. Gaia Enceladus/Sausage RR Lyrae Stars in the Inner-central Stellar Halo of the Milky Way

We present a view of the stellar halo in the inner-central regions of the Milky Way ( R ≲ 10 kpc) mapped by RR Lyrae stars. The combined BRAVA-RR/APOGEE RR Lyrae catalog is used to obtain a sample of 281 RR Lyrae stars located in the bulge region of the Galaxy, but with orbits indicating they belong...

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Principais autores: Andrea Kunder, Zdenek Prudil, Antonela Monachesi, Samuel J. Morris, Kathryn Devine, Joanne Hughes, Kevin R. Covey, R. Michael Rich, Elisa A. Tau
Format: Artigo
Sprog:Inglês
Udgivet: IOP Publishing 2025-01-01
Serier:The Astronomical Journal
Fag:
RR Lyrae variable stars
Galactic bulge
Galaxy dynamics
Galaxy mergers
Milky Way stellar halo
Milky Way formation
Online adgang:https://doi.org/10.3847/1538-3881/adefdd
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