Validation of the new Hipparcos reduction

@article{Leeuwen2007ValidationOT,
  title={Validation of the new Hipparcos reduction},
  author={F. V. Leeuwen},
  journal={Astronomy and Astrophysics},
  year={2007},
  volume={474},
  pages={653-664}
}
Context. A new reduction of the astrometric data as produced by the Hipparcos mission has been published, claiming accuracies for nearly all stars brighter than magnitude Hp = 8 to be better, by up to a factor 4, than in the original catalog ue. Aims. The new Hipparcos astrometric catalogue is checked for the quality of the data and the consistency of the formal errors as well as the possible presence of error correlations. The differences with the earlier publication are explained. Methods… Expand
Towards a better understanding of Hipparcos
  • F. V. Leeuwen
  • Physics
  • Proceedings of the International Astronomical Union
  • 2007
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