Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010sf2a.conf...51r&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
Stellar Population Model, Bulge, Disc, Large Scale Survey, Gaia
Scientific paper
Exploring the in-plane region of our Galaxy is an interesting but challenging quest, because of the complex structure and the highly variable extinction. We here analyse photometric near-infrared data using the Besançon Galaxy Model in order to investigate the shape of the disc and bulge. We present new constraints on the stellar disc, which is shown to be asymmetric, and on the bulge, which is found to contain two populations. We present how the Galaxy model is used in the framework of the preparation of the Gaia mission.
Marshall Douglas J.
Reyle Céline
Robin Annie C.
Schultheis Mathias
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