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Accueil > Séminaires > Archive des séminaires d’Utinam > Archive des séminaires d’astrophysique (jusqu’en 2011) > 2011

Thin and thick disk kinematics with RAVE and the solar motion

par Edith Burgey -

Le jeudi 9 juin à 14h, salle de conférences de l’observatoire

Par Stefano Pasetto, étudiant en thèse à Astronomisches Recheninstitut, Heidelberg, Allemagne

Abstract :

We present a kinematic analysis of the Galactic thin and thick disk based on
RAdial Velocity Experiment (RAVE). Thin and thick disk components considered
as two distinct galactic populations are disentangled with a method based on
matrix decomposition.
The prospects and limitations of this method are explored with the use of
photometric distances and proper motions and compared with the Galactic
Padova star-count model. We deduced the components of the solar motion
relative to the Local Standard of Rest in the radial and vertical direction
as well as the components of the velocity dispersion tensor for the thin and
thick disk in the meridional plane.