Mathematics – Logic
Scientific paper
Jul 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996hst..prop.6481z&link_type=abstract
HST Proposal ID #6481
Mathematics
Logic
Hst Proposal Id #6481 Solar System
Scientific paper
We propose five-color imaging with the Planetary Camera ofasteroid 4 Vesta during its near-perihelic opposition in mid-1996, in order to follow up our successful imaging at a lessfavorable apparition in 1994. The 1996 apparition of Vestawill be the closest before the year 2007, providing twice theareal resolution of the 1994 data, and will occur at a nearlyequatorial aspect. Images during eight HST orbits arerequested for good spatial covering of the rotating planet.Five filter passbands ranging from 0.44 to 1.04 micronswavelength are chosen to be diagnostic of the mineralogy andto maximize albedo contrasts. Interpretative techniques aredescribed which will lead to recognition and mapping ofpyroxene/feldspar domains indicative of surface lava flows andolivine-rich regions which may be exposed by impact excavationof geologic units originally below a basaltic crust.
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