Dating Ptolemy's Star Catalogue through Proper Motions: The Hipparchan Epoch

  title={Dating Ptolemy's Star Catalogue through Proper Motions: The Hipparchan Epoch},
  author={A. Dambis and Y. Efremov},
  journal={Journal for the History of Astronomy},
  pages={115 - 134}
Cet article a pour theme la polemique a propos de la datation des releves d'etoiles de Ptolemee et l'explication des erreurs des longitudes des etoiles... 

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