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Correlations between Kinematics and Metallicity in the Galactic Bulge: A Review

Abstract : Recent large-scale surveys of galactic bulge stars allowed to build a detailed map of the bulge kinematics. The bulge exhibits cylindrical rotation consistent with a disky origin which evolved through bar-driven secular evolution. However, correlations between metallicity and kinematics complicate this picture. In particular a metal-poor component with distinct kinematic signatures has been detected. Its origin, density profile and link with the other Milky Way stellar populations are currently still poorly constrained.
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Submitted on : Tuesday, July 12, 2022 - 12:04:53 PM
Last modification on : Tuesday, August 2, 2022 - 4:16:49 AM

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Carine Babusiaux. Correlations between Kinematics and Metallicity in the Galactic Bulge: A Review. Publications of the Astronomical Society of Australia, 2016, 33, ⟨10.1017/pasa.2016.1⟩. ⟨insu-03720973⟩

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