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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 9.

The reflectance spectrum of 450P (black open circles with gray 1σ error bars) is compared with the maximum likelihood spectral model (red curve), which assumes intimately mixed grains of amorphous carbon and crystalline water ice. This model is not very sensitive to ice temperatures, so while it assumes Tice = 150 K, ice temperatures within several tens of kelvin fit the data similarly well.

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