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Astron. Astrophys. Suppl. Ser.
Volume 136, Number 2, April II 1999
Page(s) 257 - 259
Published online 15 April 1999
DOI: 10.1051/aas:1999211

Astron. Astrophys. Suppl. Ser. 136, 257-259

CCD astrometry of Saturn's satellites in 1995 and 1997[*]

D. Harper 1,2 [*] - K. Beurle 2 - I.P. Williams 2 - C.D. Murray 2 - D.B. Taylor 1 - A. Fitzsimmons 3 - I.M. Cartwright 3

Send offprint request: D. Harper

1 - Royal Greenwich Observatory[*] Madingley Road, Cambridge CB3 0EZ, UK
2 - Astronomy Unit, Queen Mary and Westfield College, University of London, Mile End Road, London E1 4NS, UK
3 - Astrophysics and Planetary Science Division, School of Mathematics and Physics, The Queen's University of Belfast, Belfast BT7 1NN, Northern Ireland

Received November 2; accepted November 24, 1998


In this paper, we publish measurements of 1514 positions of the major satellites of Saturn made in 1995 and 1997 using CCD detectors attached to the 1-metre Jacobus Kapteyn Telescope on the island of La Palma. Analysis of the data as inter-satellite positions shows that the observations of Tethys, Dione, Rhea and Titan have root-mean-square residuals of $0\hbox{$.\!\!^{\prime\prime}$}08$ in 1995 and $0\hbox{$.\!\!^{\prime\prime}$}10$in 1997.

Key words: satellites of Saturn -- astrometry

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