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À propos de : A critical discussion on parametric and nonparametric regression methods applied to Hipparcos-FK5 residuals        

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  • A critical discussion on parametric and nonparametric regression methods applied to Hipparcos-FK5 residuals
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  • In this paper we present an analysis of the differences between the Hipparcos and FK5 catalogues. We study parametric and nonparametric methods with two main objectives: first, to determine whether or not there is a pure rotation between the two catalogues, and to decide which model best represents the residuals; second, to give a practical formulation to reduce positions between the two systems at any point on the celestial sphere.

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  • aa0441
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  • © ESO, 2004
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  • ESO
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