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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 2.

Upper panels: maps of N × ρ for CO, CO2, CH4, CH3OH, and H2O. The white arrow shows the projected direction of the Sun. The white annulus shows the region used to calculate representative Q. Note that the H2O map was derived from the 2.68 μm bands measured on December 22, whereas the remaining maps were constructed from the December 23 observations. Lower panels: maps of molecular rotational temperatures.

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