Vesta's shape, density and albedo features

Details Vesta's shape, density and albedo features Vesta's shape, density and albedo features

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...219..320c&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 219, no. 1-2, July 1989, p. 320, 321.

Astronomy and Astrophysics

Astronomy

8

Albedo, Light Curve, Vesta Asteroid, Astronomical Photometry, Speckle Interferometry, Asteroids, Vesta, Shape, Density, Albedo, Astronomy, Photometry, Interferometry, Comparisons, Earth-Based Observations, Lightcurves

Scientific paper

The polar axis, gross shape and rough surface albedo distribution of the asteroid 4 Vesta have been recently determined by two distinct and independent sets of observational data, provided by lightcurve photometry and by speckle interferometry. The results are consistent, and show that Vesta is a spheroidal or a quasi-spheroidal object whose surface has a significant albedo variegation. This is the first time that different earth-based techniques have led to a rough 'map' of an asteroidal object.

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