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Surprisingly Enriched CO and CH4 in Halley-type Comet 13P/Olbers: Clues to Its Interstellar Heritage

  • Authors: Michael A. DiSanti, Mohammad Saki, Erika L. Gibb, Boncho P. Bonev, Neil Dello Russo, Ronald J. Vervack, Karen Willacy, Younas Khan, Sara Faggi, Nathan X. Roth, Geronimo L. Villanueva, Hideyo Kawakita

Michael A. DiSanti et al 2026 The Planetary Science Journal 7 .

  • Provider: AAS Journals

Caption: Figure 3.

(a–b). Nucleus-centered spectra of 13P in orders containing the lines of CH4 used in our analysis. Comparing relative intensities of CH4, C2H6, and CH3OH lines in 13P (panel (b)) with those in OCC 2018 Y1 (panel (c)) illustrates the enriched CH4 abundance in 13P (see Section 3.2 for detailed discussion).

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