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Title:
Modelling the Galaxy from survey data
Authors:
Robin, A. C.; Reylé, C.; Marshall, D.
Affiliation:
AA(CNRS-UMR6213, Institut Utinam, Observatoire de Besançon, BP1615, F-25010 Besançon cedex, France ), AB(CNRS-UMR6213, Institut Utinam, Observatoire de Besançon, BP1615, F-25010 Besançon cedex, France ), AC(CNRS-UMR6213, Institut Utinam, Observatoire de Besançon, BP1615, F-25010 Besançon cedex, France ; Département de Physique, Génie Physique et Optique, Université Laval, Québec, QC, G1K 7P4, Canada )
Publication:
A Giant Step: from Milli- to Micro-arcsecond Astrometry, Proceedings of the International Astronomical Union, IAU Symposium, Volume 248, p. 443-449
Publication Date:
07/2008
Origin:
CUP
Keywords:
Galaxy: stellar content, Galaxy: evolution, Galaxy: kinematics and dynamics
DOI:
10.1017/S1743921308019789
Bibliographic Code:
2008IAUS..248..443R

Abstract

Recent optical and near-infrared surveys have considerably improved our knowledge of galactic structure and galactic evolution. Two ways can be used to infer this knowledge from datasets: either inversing the data to get parameters describing the Galaxy, or using a synthetic approaches to test scenarios of formation and theoretical models for star and galaxy formation and evolution, both approaches being complementary. Using the synthetic approach the Besancon Galaxy model allows to test scenarios for the structure and evolution of the Galaxy by comparing simulations with the survey data. Examples are given using the 2MASS survey. Future uses of astrometric survey data are shown to be able to efficiently constrain the kinematics and dynamics of the Galaxy.
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