Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010sf2a.conf...37f&link_type=abstract
SF2A-2010: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics. Eds.: S. Boissier, M. Heydari-
Astronomy and Astrophysics
Astrophysics
1
Galaxy: Kinematics And Dynamics, Galaxy: Evolution
Scientific paper
We exhibit the local and global effects of the non-axisymmetry of the Milky Way potential. In addition to creating moving groups in the Solar neighborhood, we show that spiral structure interacting with a central bar is an effective mechanism for mixing the whole stellar disk radially. This spiral-bar resonance overlap mechanism accounts for the absence of age-metallicity relation in the solar neighborhood, can create extended disks in both Milky Way-mass and low-mass galaxies, and could also be responsible for the formation of a thick disk component early-on in the Galaxy evolution.
Famaey Benoit
Minchev Ivan
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