Global map of fast neutron residual count rates within the regolith of asteroid 4 Vesta acquired by the NASA Dawn mission's Gamma Ray and Neutron Detector from low altitude [LAWRENCEETAL2013].

 
Citation Lawrence et al., Dawn GRaND fast neutron residual counting rate map, DAWN-A-GRAND-5-VESTA-FAST-RESIDUAL-V1.0, NASA Planetary Data System, 2013.
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Data Set Abstract These data are maps of fast neutron residual count rates from the GRaND plus Z boron loaded sensor. The nominal fast neutron count rates were detrended using the GRaND epithermal neutron map to produced this residual map. The residual map is related to the average atomic mass on Vesta. Details of the map and data reduction are described in LAWRENCEETAL2013.
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    Additional Information
    Mission Information DAWN MISSION TO VESTA AND CERES
    Data Set Information DAWN-A-GRAND-5-VESTA-FAST-RESIDUAL-V1.0
    Instrument Host Information DAWN
    Instrument Information GRAND
    Target Information 4 VESTA