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disk stars 1galactic bar resonance 1galactic dynamics 1moving groups 1stellar chemistry 1

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1 paper

astro-ph.GA2026

Chemodynamical evidence of the HR 1614 moving group as a bar resonance

Andreas J. Koch-Hansen, Vladislav Gulaev, Dominik H. Plonka +4

The study combines high‑resolution spectroscopy of six HR 1614 moving‑group stars with orbital frequency analysis to show that the group’s diverse ages and chemical patterns are be…