Knox-Thompson images of 4 Vesta

Details Knox-Thompson images of 4 Vesta Knox-Thompson images of 4 Vesta

Jan 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987spie..828...27d&link_type=abstract

IN: Digital image recovery and synthesis; Proceedings of the Meeting, San Diego, CA, Aug. 17, 18, 1987 (A88-51101 22-35). Bellin

Statistics

Methodology

Asteroids, Image Reconstruction, Light Curve, Power Spectra, Spectrum Analysis, Calibrating, Methodology

Scientific paper

Reconstructed images of the asteroid 4 Vesta reveal dark and bright patterns which can be followed across the disk as the asteroid rotates. The authors find reasonable agreement with its visible lightcurve by assigning relative albedo 0 to the three darkest features and relative albedo 2 to the three brightest features. From power spectrum analysis of sets of images at two different epochs the authors obtain Vesta's triaxial principal diameters, the orientation of its pole, and its rotational rate and sense. The images confirm the dominant role of surface structure, particularly the dark spots, in determining Vesta's lightcurve signature.

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