Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aj....107.2290m&link_type=abstract
The Astronomical Journal (ISSN 0004-6256), vol. 107, no. 6, p. 2290-2294
Astronomy and Astrophysics
Astronomy
7
Asteroids, Astrometry, Astronomical Observatories, Charge Coupled Devices, Galileo Spacecraft, Astronomical Catalogs, Very Long Base Interferometry
Scientific paper
Optical Charge Coupled Device (CCD) astrometry was done at the U.S. Naval Observatory Flagstaff Station (NOFS) to obtain positions of solar system bodies to be encountered by the Galileo spacecraft. The objects observed were the minor planets 951 Gaspra and 243 Ida, discussed in this paper, and the Galilean satellites of Jupiter, to be discussed in Paper II. Observations of Gaspra were made from April through August 1991, and Ida was observed from 1991 November through 1993 May. Each observing campaign was followed by a successful encounter. The instrumentation, techniques, analysis methods, and astrometric results are described.
Dahn Conard C.
Harris Hugh C.
Leggett Sandy K.
Monet Alice Kay Babcock
Monet David G.
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