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Titania’s Deuterium Abundance and the Origin of Its Water

  • Authors: Stephen C. Tegler, Richard J. Cartwright, William M. Grundy, Bryan J. Holler, William A. Burris, Mark J. Loeffler, Christopher R. Glein, Ryan D. Wochner, Samantha H. Hemmelgarn

Stephen C. Tegler et al 2026 The Planetary Science Journal 7 .

  • Provider: AAS Journals

Caption: Figure 12.

The geometric albedo spectrum of Titania from JWST and NIRSpec (red line). The best-fit model with D/(H+D) = (2.8 ± 0.5) × 10−4 (solid black line). A model with D/(H+D) = 1.56 × 10−4 (dashed black line), i.e., the deuterium abundance of Vienna Standard Mean Ocean Water (R. Hagemann et al. 1970). A model with D/(H+D) = 5.3 × 10−4 (dotted–dashed black line), i.e., the deuterium abundance in water for comet 67P/C-G (D. R. Müller et al. 2022).

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