The Hipparcos parallax for Polaris

@article{Leeuwen2013TheHP,
  title={The Hipparcos parallax for Polaris},
  author={F. V. Leeuwen},
  journal={Astronomy and Astrophysics},
  year={2013},
  volume={550}
}
This Letter follows a recent claim that the Hipparcos parallax for Polaris could be too small by 2.5 mas. It examines in detail the Hipparcos epoch astrometric data for Polaris, as well as the viability of other observations that were put forward to support a larger parallax. The Hipparcos determination of the Polaris parallax is shown to be su ciently robust to fully exclude a significantly larger parallax, and there is no observational support from other observations, such as a supposed… Expand
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