Spectroscopy of Pluto and Triton at 3-4 Microns: Possible Evidence for Wide Distribution of Nonvolatile Solids

@article{Grundy2002SpectroscopyOP,
  title={Spectroscopy of Pluto and Triton at 3-4 Microns: Possible Evidence for Wide Distribution of Nonvolatile Solids},
  author={W. Grundy and M. Buie and J. Spencer},
  journal={The Astronomical Journal},
  year={2002},
  volume={124},
  pages={2273-2278}
}
  • W. Grundy, W. Grundy, +2 authors J. Spencer
  • Published 2002
  • Physics
  • The Astronomical Journal
  • We present new albedo spectra of Triton and Pluto-Charon, covering the 2.8–4.1 μm wavelength range at a spectral resolution of ~60. The new data reveal three strong CH4 ice absorption bands, as well as additional absorption around 2.9 and 4.1 μm in the spectra of both bodies, which we tentatively attribute to widely distributed H2O ice, along with CO2 and/or SO2 ices. Since these species are nonvolatile at typical Triton and Pluto surface temperatures, widespread distribution of any of them in… CONTINUE READING
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