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March 1, 2026The Planetary Science JournalOpen Access

Haze, Methane, and Carbon Monoxide in Titan’s North Polar Atmosphere from a Cassini/VIMS Specular Transmission Spectrum on the T104 Flyby

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Authors

JBJason W. BarnesCOConnor T. O’NeillSMShannon M. MacKenzie

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Overview

Analysis of Titan's atmosphere reveals haze and gas absorption characteristics, suggesting insights into atmospheric composition.

Key Points

  • This research aims to determine the atmospheric properties of Titan by analyzing specular reflection data.
  • Utilized Cassini/VIMS data from the T104 flyby to derive a transmission spectrum.
  • Analyzed specular reflection of sunlight off Kraken Mare to measure atmospheric absorption.
  • Compared the derived spectrum with haze properties and gas absorption coefficients from the Huygens data.
  • Detected that Titan’s atmosphere absorbs more at 2.7 μm compared to 2.8 μm.
  • Measured a surface methane fraction of 0.043 ± 0.001, lower than previous Huygens data.
  • Estimated carbon monoxide concentration at 22.6 ± 0.3 ppm, indicating significant atmospheric gas composition.

Cite This Study

Barnes et al. (2026) studied this question.

synapsesocial.com/papers/69a3d747ec16d51705d2dbedhttps://doi.org/10.3847/psj/ae40b0
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Aerosol properties in the atmosphere of Titan from Cassini/UVIS observations of haze scattering2024
  2. 2Titan in Late Northern Summer from JWST and Keck Observations2024
  3. 3Titan’s Atmosphere in Late Northern Summer from JWST and Keck Observations2024
  4. 4Identification of Likely Methane Absorption Features in the Optical Spectra of Titan2025
  5. 5Identification of Likely Methane Absorption Features in the Optical Spectra of Titan2025