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À propos de : The HIPPARCOS parallax for Polaris        

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  • The HIPPARCOS parallax for Polaris
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Abstract
  • This Letter follows a recent claim that the H ipparcos parallax for Polaris could be too small by 2.5 mas. It examines in detail the H ipparcos epoch astrometric data for Polaris, as well as the viability of other observations that were put forward to support a larger parallax. The H ipparcos determination of the Polaris parallax is shown to be sufficiently robust to fully exclude a significantly larger parallax, and there is no observational support from other observations, such as a supposed presence of a cluster, either.
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  • aa20871-12
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  • © ESO, 2013
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  • ESO
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