Satellites of Uranus - Disk-integrated photometry from Voyager imaging observations

Details Satellites of Uranus - Disk-integrated photometry from Voyager imaging observations Satellites of Uranus - Disk-integrated photometry from Voyager imaging observations

Dec 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987jgr....9214895v&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 92, Dec. 30, 1987, p. 14895-14904.

Other

28

Astronomical Photometry, Satellite Imagery, Satellite Surfaces, Uranus Satellites, Voyager 2 Spacecraft, Albedo, Imaging Techniques, Regolith, Spaceborne Photography, Spectrum Analysis

Scientific paper

Voyager 2 imaging observations over a wide range of phase angles are used to determine the fundamental photometric parameters for the five largest satellites of Uranus. Over the spectral range covered by Voyager cameras (approximately 350-600 nm) the disk-averaged colors are moderately gray (no redder than the spectrum of Saturn's satellite Phoebe). Geometric albedos range from 0.19 for Umbriel to 0.40 for Ariel. Phase coefficients determined generally between phase angles of 10 and 60 deg vary from 0.021 mag/deg for Ariel to 0.028 mag/deg for Miranda. Phase integrals lie in the range of 0.5-0.65. The Bond albedos are about 0.1 for Umbriel and about 0.2 for the other satellites.

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