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Principal component analysis - an efficient tool for variable stars diagnostics

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We present two diagnostic methods based on the ideas of principal component analysis and demonstrate their efficiency for sophisticated processing of multicolour photometric observations of variable objects.

Keywords: Least-squares method; Light curves; Principal component analysis; Robust regression; Variable stars

Document Type: Research Article

DOI: http://dx.doi.org/10.1080/10556790701343850

Affiliations: Institute of Theoretical Physics and Astrophysics, Masaryk University, Brno, Czech Republic,Observatory and Planetarium of J.Palisa, Ostrava, Czech Republic

Publication date: February 1, 2007

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