Computer Science
Scientific paper
Jul 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999hst..prop.8349s&link_type=abstract
HST Proposal ID #8349
Computer Science
Hst Proposal Id #8349 Solar System
Scientific paper
We propose to analyze an existing set of archival, high resolution UV and blue HST/FOC images of Neptune's largest satellite, Triton, in order to obtain maps at these useful wavelengths. Despite their quality, these Triton images have never been analyzed in any detail, and no maps were ever made from them. The resulting analyses and maps will be useful: {1} for determining the distribution of volatiles and major photometric units on Triton, much as were the images and maps of Pluto we obtained using the FOC in 1995; {2} to obtain a baseline HST measurement for comparison over the next decade as Triton goes through an expected {and indeed, perhaps already-starting} major, seasonal change; and {3} having obtained the first-ever UV images of Triton, providing spatial context for the rotationally-resolved Triton FOS mid-UV spectroscopy that we obtained and analyzed previously {Stern et al. 1995}. Our plan for this AR project is to use the generalized mapping software that we developed for the FOC Pluto project {Stern et al. 1997; Buie & Stern 1998}, to relatively quickly create similar data products and types of analyses for Triton, so that this valuable archival dataset can be exploited. One of our key goals is to search for evidence of changes in Triton's appearance due to volatile transport between the 1989 Voyager encounter and these 1995 images.
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