Spectrophotometry of Small Uranian Satellites

Details Spectrophotometry of Small Uranian Satellites Spectrophotometry of Small Uranian Satellites

Sep 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996dps....28.0410s&link_type=abstract

American Astronomical Society, DPS meeting #28, #04.10; Bulletin of the American Astronomical Society, Vol. 28, p.1072

Astronomy and Astrophysics

Astronomy

Scientific paper

We observed the inner Uranian satellites Miranda, Puck, Portia, and Juliet over the wavelength range 0.25 to 0.80 microns. The observations were made 18 August 1996 with the red channel of the Faint Object Spectrograph of the HST, using the prism disperser. Miranda and Puck were definitely detected, with blue reflectance spectra over the range observed. Continuum slopes between -5 and -10 % per 1000 Angstroms$ are observed. Confirmation of detections of Portia and Juliet require more extensive analysis of the scattered light background and solar spectrum. Preliminary analysis indicates that they too are blue, at least in the 0.6 to 0.8 micron range. This work is based on observations with the NASA/ESA Hubble Space Telescope obtained at the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS5-26555. This work was supported by STScI Grant GO-6487.

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