The Caviar software package for the astrometric reduction of Cassini ISS images: description and examples⋆⋆⋆

Author： Cooper N. J.   Lainey V.   Meunier L.-E.   Murray C. D.   Zhang Q.-F.   Baillie K.   Evans M. W.   Thuillot W.   Vienne A.  

Publisher： Edp Sciences

E-ISSN： 1432-0746|610|issue|A2-A2

ISSN： 0004-6361

Source： Astronomy & Astrophysics, Vol.610, Iss.issue, 2018-02, pp. : A2-A2

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Abstract

Aims. Caviar is a software package designed for the astrometric measurement of natural satellite positions in images taken using the Imaging Science Subsystem (ISS) of the Cassini spacecraft. Aspects of the structure, functionality, and use of the software are described, and examples are provided. The integrity of the software is demonstrated by generating new measurements of the positions of selected major satellites of Saturn, 2013–2016, along with their observed minus computed (O−C) residuals relative to published ephemerides.

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