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Kinematics of the Galactic Bulge from Radial Velocity and Proper Motion Optical Surveys

Published online by Cambridge University Press:  05 March 2013

Céline Reylé ,
Annie C. Robin  and
Sébastien Picaud
Céline Reylé*
Affiliation:
Observatoire de Besançon, BP 1615, 25010 Besançon Cedex, France
Annie C. Robin
Affiliation:
Observatoire de Besançon, BP 1615, 25010 Besançon Cedex, France
Sébastien Picaud
Affiliation:
Observatoire de Besançon, BP 1615, 25010 Besançon Cedex, France
*
2E-mail: [email protected]
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Abstract

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Large-scale surveys provide new constraints on the structure and evolution of the Milky Way. The population synthesis approach is a useful tool to interpret such data sets and to test scenarios of evolution of the Galaxy. New constraints on Galactic parameters have been obtained from the Besançon model of population synthesis, in particular in the inner regions, thanks to near-infrared surveys less affected by interstellar extinction than the optical ones. We present here a few preliminary comparisons between observed and simulated distributions of proper motions in the direction of the Galactic bulge. Next we discuss how bulge stars can be observed and separated from other populations with the RAVE and Gaia surveys.

Keywords

Galaxy: bulgeGalaxy: kinematics and dynamicssurveys
Type
Research Article
Information
Publications of the Astronomical Society of Australia , Volume 21 , Issue 2: The Fifth Workshop on Galactic Chemodynamics , 2004 , pp. 138 - 143
Copyright
Copyright © Astronomical Society of Australia 2004

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