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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 4.

Left: observed azimuthally averaged Trot for CO, CH3OH, H2O, CO2, and CH4. Right: modeled Trot as a function of nucleocentric distance for CO, CH3OH, and H2O using the SUBLIME radiative transfer code. The gray-shaded region shows the projected radial extent of the annulus from which representative Q’s were extracted for each molecule (Table 1). The x-axis extends to approximately the field of view of our spatial–spectral maps.

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