Ceres surface properties by high-resolution imaging from earth

Details Ceres surface properties by high-resolution imaging from earth Ceres surface properties by high-resolution imaging from earth

Oct 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993icar..105..271s&link_type=abstract

Icarus, vol. 105, p. 271

Physics

Optics

23

Ceres Asteroid, Adaptive Optics, Astronomical Photography, Planetary Surfaces, Regolith, Temperature Measurement, High Resolution, Point Spread Functions, Albedo

Scientific paper

The present direct-imaging observations of Ceres with the 3.6-m ESO telescope at La Silla have allowed the deduction of several physical parameters. The rotation is found to be prograde; the pole orientation is noted to imply low obliquity with respect to Ceres' orbital plane. The measured temperature of the warmest area is 235 +/- 4 K, and the mean radius value, at 484 +/- 20 km, is in keeping with earlier stellar-occultation and thermal IR photometry measurements.

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