DPS Meeting, Madison, October 1998
Session 49P. Triton and Pluto
Contributed Poster Session, Thursday, October 15, 1998, 5:00-6:30pm, Hall of Ideas

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[49P.09] HST FOC Imaging of Triton

B. Flynn (UCB/CEA), S.A. Stern (SwRI), L. M. Trafton (UT Austin), J. A. Stansberry (Lowell Obs), K. S. Noll (STScI)

We present analysis of HST/FOC images of Triton obtained on 20-24 September, 1995. Images were taken in two wavelength bands using the F278M and F410M filters in order to obtain the first mid-UV map of Triton, and to place further compositional constraints on Triton's surface by imaging farther into the UV than did Voyager. Our disk-resolved images provide full longitudinal coverage, with image sets taken at Triton CMLs of 100, 210, and 330 degrees. We will compare FOC-derived lightcurves and geometric albedo maps with Voyager imaging maps and FOS disk-averaged albedos, providing insight into the distribution of UV absorbing materials on Triton and the seasonal evolution of Triton's surface.

The author(s) of this abstract have provided an email address for comments about the abstract: flynn@ssl.berkeley.edu

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