Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...342..533s&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 342, July 1, 1989, p. 533-538. Research supported by Tel Aviv University.
Astronomy and Astrophysics
Astronomy
4
Albedo, Charon, Pluto (Planet), Ultraviolet Astronomy, Iue, Planetary Composition, Reflectance, Signal To Noise Ratios, Spectrum Analysis, Ultraviolet Spectra, Pluto, Satellites, Charon, Pluto-Charon System, Ultraviolet, Procedure, Wavelengths, Spectra, Iue Satellite, Satellite Observations, Reflectance, Albedo, Frost, Contamination
Scientific paper
Observations of the UV spectra of the Pluto-Charon system were obtained between 1987 and 1988 using the large aperture of the IUE long-wavelength prime spectrograph. At the resolution and SNR of the data, no gas-phase spectral identifications were made. The present data indicate a geometric albedo of 0.35 + or - 0.05. Curve fitting the geometric albedo from 2600-3100 A, a blue slope is found which corresponds to a decrease of about 12 percent per 1000 A. An albedo reversal or trough between about 3000 A and the shortest ground-based data (at about 3500 A) is noted which may be due to a spectral absorption feature on the surface.
Alan Stern S.
Brosch Noah
Skinner Thomas E.
Trafton Larry M.
van Santvoort J.
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