Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991icar...92..332s&link_type=abstract
Icarus (ISSN 0019-1035), vol. 92, Aug. 1991, p. 332-341.
Astronomy and Astrophysics
Astronomy
11
Astronomical Spectroscopy, Charon, Iue, Rotational Spectra, Triton, Ultraviolet Spectra, Angular Resolution, Light Curve, Pluto (Planet), Voyager Project
Scientific paper
The present uniform analysis of the full set of IUE spectra of Pluto + Charon and Triton attempts to characterize these objects' UV photometric properties variation with rotational phase, giving attention to the 2550-3200 A range. The visible-UV color differentiation increases as Pluto reaches its maximum bolometric brightness; the IUE data suggests that this could be due to a UV surface absorption feature on Pluto or Charon. Typical UV albedos are found on Triton which agree with Voyager photopolarimeter results; Pluto's albedo is much lower than that of Triton, but the amplitude of the Pluto UV lightcurve is greater than that of Triton.
Alan Stern S.
Barker Edwin S.
Brosch Noah
Gladstone Randall G.
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