Article Dans Une Revue Astronomy & Astrophysics - A&A Année : 2003

Astrometry from mutual events of Jovian satellites in 1997

Résumé

Astrometric results of observations of the mutual events of the Galilean satellites of Jupiter of the PHEMU97 campaign by the Institut de Mécanique Céleste et de Calcul des Éphémérides are presented. These astrometric positions can be directly utilized in the construction of future ephemerides. We attempt here to compare the residuals of the relative astrometric positions of satellites with respect to the E3, G5, E5 and L1 ephemerides. The model to fit the observed light curves includes the intensity variations on the surface of satellites using the mosaics constructed by the teams at the US Geological Survey from Voyager and Galileo imagery.

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hal-03730572 , version 1 (06-09-2022)

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R. Vasundhara, Jean-Eudes Arlot, Valéry Lainey, William Thuillot. Astrometry from mutual events of Jovian satellites in 1997. Astronomy & Astrophysics - A&A, 2003, 410, pp.337-341. ⟨10.1051/0004-6361:20030959⟩. ⟨hal-03730572⟩
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