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Title:
Correlations between Kinematics and Metallicity in the Galactic Bulge: A Review
Authors:
Babusiaux, Carine
Affiliation:
AA(GEPI, Observatoire de Paris, PSL Research University, CNRS, Université Paris Diderot, Sorbonne Paris Cité,; 5 Place Jules Janssen 92195 Meudon, France)
Publication:
Publications of the Astronomical Society of Australia, Volume 33, id.e026 9 pp. (PASA Homepage)
Publication Date:
06/2016
Origin:
CUP
Astronomy Keywords:
Galaxy: abundances, Galaxy: bulge, Galaxy: formation, Galaxy: kinematics and dynamics
Abstract Copyright:
2016: Astronomical Society of Australia
DOI:
10.1017/pasa.2016.1
Bibliographic Code:
2016PASA...33...26B

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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