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Coma Physics of an Interstellar Object: JWST Spatial–Spectral Mapping of 3I/ATLAS

  • Authors: Nathan X. Roth, Martin A. Cordiner, Stefanie N. Milam, Geronimo L. Villanueva, Steven B. Charnley, Nicolas Biver, Dominique Bockelée-Morvan, Dennis Bodewits, Steven J. Bromley, Jacques Crovisier, Maria N. Drozdovskaya, Sara Faggi, Davide Farnocchia, Kenji Furuya, Michael S. P. Kelley, Marco Micheli, John W. Noonan, Cyrielle Opitom, Megan E. Schwamb, Cristina A. Thomas

Nathan X. Roth et al 2026 The Astrophysical Journal Letters 1005 .

  • Provider: AAS Journals

Caption: Figure 3.

Upper panels: maps of N × ρ for ortho-H2O and para-H2O, the derived OPR, and Trot(H2O) for the 2.68 μm band measured on December 22. Note that N for each species has been corrected for the derived OPR. Lower panels: signal-to-noise ratio (SNR) for each of the respective quantities in the upper panels.

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