1994/10/20 by D. K. Ojha, Devendra Ojha, Ojha, Devendra
Engineering · Physics and Astronomy · #Astrophysics (astro-ph) #FOS: Physical sciences #Mechanics and Biomechanics Studies #astro-ph
paper · pdf · doi:10.48550/arxiv.astro-ph/9410064
Postscript file, 5 pages with figures, Contributed talk presented at the workshop of The Formation of the Milky Way, Granada (Spain), 5-10 September 1994
arxiv created 1994/10/20 · openalex publication_date 1994/10/20 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
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, μl & μb).