Corpus ID: 54597139

Astrometric accuracy during the past 2000 years

  title={Astrometric accuracy during the past 2000 years},
  author={E. H{\o}g},
  journal={arXiv: Instrumentation and Methods for Astrophysics},
  • E. Høg
  • Published 2017
  • Physics
  • arXiv: Instrumentation and Methods for Astrophysics
The great development of astrometric accuracy since the observations by Hipparchus about 150 BC was documented in 2008 in the first version of the present report. This report is updated, e.g. with recent information on the catalogues before 1800 AD. The development has often been displayed in diagrams showing the accuracy versus time. A new such diagram is provided in a figure and in a .png file (Section 2) and this information will presumably be the main interest for most readers. For the… Expand
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