Disk-resolved investigation of (4) Vesta, target of the Dawn space mission

Details Disk-resolved investigation of (4) Vesta, target of the Dawn space mission Disk-resolved investigation of (4) Vesta, target of the Dawn space mission

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf..785d&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.785

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We used the NACO instrument at the ESO-VLT to observe the asteroid (4) Vesta, target of the NASADawn space mission. Near-infrared high resolution imaging and spectroscopy have been obtained. Preliminary results confirm the presence of some inhomogeneities on the surface of Vesta, as suggested by HST data. In particular, we argue a dichotomy of the surface, with relevant abundance of olivine only in the eastern hemisphere. This result is in agreement with the lithological and geological maps of Vesta available in the literature.

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