Kinematical Properties of the Thick Disk of the Galaxy

Details Kinematical Properties of the Thick Disk of the Galaxy Kinematical Properties of the Thick Disk of the Galaxy

1994-10-20

arxiv.org/abs/astro-ph/9410064v1

Astronomy and Astrophysics

Astrophysics

Postscript file, 5 pages with figures, Contributed talk presented at the workshop of The Formation of the Milky Way, Granada (

Scientific paper

We try here to find new constraints on thick disk population using samples at intermediate latitude and North Galactic Pole, which include photometry and proper motions. The algorithm SEM (Stochastic-Estimation-Maximization; Celeux \& Deibolt 1986) was used to deconvolve the stellar components up to large distances above the plane, allowing to study of their statistical properties independently. The multivariate discriminant analysis (MDA) is used to qualify the thick disk using observations in multidimensional space (V,B-V,U-B, $\mu_{l}$ \& $\mu_{b}$).

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