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JWST and Gemini Observations of the Active Centaur 450P/LONEOS: Nucleus and Coma Characterizations

  • Authors: Charles A. Schambeau, Michael S. P. Kelley, Maria Womack, Eva Lilly, Theodore Kareta, Sara Faggi, Olga Harrington Pinto, Marco Micheli, Dominique Bockelée-Morvan, Yanga R. Fernández, Adam McKay, Noemi Pinilla-Alonso, Javier Licandro, Aren Beck, Geronimo L. Villanueva, James Bauer, Lori Feaga, Michael A. DiSanti, Kacper Wierzchos

Charles A. Schambeau et al 2026 The Planetary Science Journal 7 .

  • Provider: AAS Journals

Caption: Figure 8.

The continuum-subtracted JWST spectrum (black line) for the spectral ranges where H2O (left panel) and CO (right panel) emission bands would appear if present. The 1σ spectrum uncertainties are shown in gray, and the two red vertical dashed lines show the expected wavelength region of each emission band. Upper limits to H2O and CO production rates were calculated using integrated flux measurements between the dotted red vertical lines (see Section 4.4).

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