Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979psi..reptq....c&link_type=abstract
Final Report Planetary Science Inst., Tucson, AZ.
Astronomy and Astrophysics
Astronomy
Asteroids, Astronomical Photometry, Infrared Astronomy, Planetology, Protoplanets, Galilean Satellites, Mercury (Planet), Neptune (Planet), Uranus (Planet), Venus (Planet), Voyager Project
Scientific paper
Activities summarized relate to spectrophotometric observations and analysis of asteroids; further observations of the peculiar asteroid 624 Hektor; the search for further asteroid close encounters suitable for mass determination; the infrared search for intra-Mercurial bodies; the search for Venus ashen light; multicolor areal photometry of Uranus and Neptune; and ground-based observations of the Galilean satellites to support the Voyager mission. The following topics are examined: (1) Hektor: the largest highly elongated asteroid; (2) Uranus: disk structure within the 7300 Angstrom methane band; (3) Neptune: limb brightening within the 7300 Angstrom methane band; (4) Neptune's rotation period: a correlation and a speculation on the effect of the disk brightness distribution; (5) observing report on 1979 activities at Kitt Peak National Observatory; and (6) dynamical evolution of intra-Mercurial planetesimals.
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