Rubidium Abundances in Cool Giants from High-resolution H-band Spectra: A New Diagnostic for Galactic Chemical Evolution

Rubidium Abundances in Cool Giants from High-resolution H-band Spectra: A New Diagnostic for Galactic Chemical Evolution

The Galactic center and inner disk of the Milky Way contain complex stellar populations obscured by heavy dust extinction. To study their chemical composition, high-resolution near-infrared (near-IR) spectroscopy is necessary. Expanding the set of elements measurable in the near-IR, especially neutr...

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Bibliographic Details
Main Authors: Nils Ryde, Jess Kocher, Govind Nandakumar, Henrik Hartman, Marta Molero, Henrik Jönsson, Gregory Mace, Erica Sawczynec, Kyle F. Kaplan
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
Subjects:
M giant stars
Infrared spectroscopy
Galaxy chemical evolution
Chemical abundances
Online Access:https://doi.org/10.3847/1538-4357/ade87a
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