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Article Dans Une Revue Romanian Astronomical Journal Année : 2021

Analysis of 35 years of transit observations by La Hire at Paris observatory.

Résumé

Just after the achievement of the construction of the Paris Observatory in 1672, astronomers such as Jean Picard, Jean-Dominique Cassini, and Philippe de La Hire, were deeply involved in observations of the Sun, the Moon, the planets, and the stars. In particular, La Hire used a meridian circle to pursue these kinds of observations in a quasi-daily basis for more than 35 years, from 1683 to 1718; thus leading to very precious and huge registers carefully conserved in the archives of Paris Observatory. In this paper, we make a quantitative and qualitative analysis of this invaluable testimony. In particular, we explain how these observations, dating back to over three centuries ago, could be exploited for constraining modern determinations of basic astrometric parameters.
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Dates et versions

hal-03315377 , version 1 (05-08-2021)

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Jean Souchay, Yassine Boukhari, Christelle El Najjar, Martial Masson, Marion Galoy, et al.. Analysis of 35 years of transit observations by La Hire at Paris observatory.. Romanian Astronomical Journal, 2021, 31 (1), pp.21-40. ⟨hal-03315377⟩
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