Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009sf2a.conf..221r&link_type=abstract
SF2A-2009: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics, held 29 June - 4 July 2009 in
Astronomy and Astrophysics
Astrophysics
1
Scientific paper
The population synthesis approach aims at understanding Galactic structure and evolution, and testing formation scenarios. Applied to the Milky Way, this approach allows the interpretation of large scale surveys and is able to place constrains on our knowledge of the Galaxy. Detailed comparisons between large scale surveys and model predictions have led to new constraints on Galactic structure and evolution of the stellar populations. Recent results concerning the Galactic warp and the study of the Galactic central region have been obtained by adjusting model parameters to the 2MASS point source catalogue. The stellar warp is found to be asymmetric and different from the HI warp. We emphasize the existence of two structures in the Galactic central region: a triaxial outer bulge coexisting with a narrow boxy bar.
Marshall Douglas J.
Reyle Céline
Robin Annie C.
Schultheis Mathias
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