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Fig. 5


Distributions of eccentricity for stars between a range of metallicity −1.0 < [Fe/H] < 0.5 as a function of [Mg/Fe]. The lower [Mg/Fe] stars have a thin disk eccentricity distribution with the bulk of the stars on roughly circular orbits. The higher [Mg/Fe] stars have a more thick disk-like distribution with the bulk of the stars having non-circular orbits.

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