Mineralogical characterization of some basaltic asteroids in the neighborhood of (4) Vesta: first results

Details Mineralogical characterization of some basaltic asteroids in the neighborhood of (4) Vesta: first results Mineralogical characterization of some basaltic asteroids in the neighborhood of (4) Vesta: first results

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004icar..171..120d&link_type=abstract

Icarus, Volume 171, Issue 1, p. 120-132.

Mathematics

Logic

32

Asteroids, Vesta, Composition, Asteroids

Scientific paper

We present reflectance spectra of 19 V-type asteroids obtained at the 3.6 m Telescopio Nazionale Galileo covering 0.8 to 2.5 μm. For 8 of these asteroids we obtained also visible spectra in the same observational run. The range from 0.8 to 2.5 μm, encompassing the 1 and 2 μm pyroxene features, allows a precise mineralogical characterization of these asteroids. The obtained data suggests the possible coexistence of distinct mineralogical groups among the V-type asteroids, either probing different layers of (4) Vesta or coming from different bodies. No clear correlation was found between mineralogies and the objects being, or not, member of the Vesta dynamical family.

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