Other
Scientific paper
Jul 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993hst..prop.4662s&link_type=abstract
HST Proposal ID #4662
Other
Hst Proposal Id #4662
Scientific paper
We propose to make observations of Triton using the FOS/BL with G190H to survey the 1800-2200 A spectral region, and FOS/BL G270H to survey the 2200-2500 A region. Neither of these spectral regions have been observed before. These exposures will exhibit 1.5-2 A resolution and good S/N. Our objectives are to search for (i) direct evidence of CO and other O-bearing molecules in Triton's atmosphere, (ii) evidence of hydrocarbon or nitrile absorptions on Triton's surface, and (iii) to determine Triton's 1800-2500 A albedo and albedo slope. These objectives will complete the first-order spectral characterization of Triton. Only HST has the sensitivity to carry out these UV studies. As a byproduct of the G270H exposure, the 2500-3250 A region will also be observed, adding a fifth spectrum to improve the sparse database on Triton's UV rotational variability.
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