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Sources3I/ATLASLisse 2025
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SPHEREx Pre-Perihelion Mapping of H2O, CO2, and CO in Interstellar Object 3I/ATLAS

Carey M. Lisse, Yoonsoo P. Bach, Brendan P. Crill, 2025. arXiv.

SPHEREx 2025-08-01/15: Q(H2O)=3.2e26, Q(CO2)=1.6e27, Q(13CO2)=1.3e25, Q(CO)=1.0e26 /s; CO2 atmosphere >=4.2e5 km; nucleus radius <2.5 km.

MYS0DFPTE25MVWR · mystery · click to copyM3I/ATLASPreprint0

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Lisse, C. M., Bach, Y. P., & Crill, B. P. (2025). SPHEREx Pre-Perihelion Mapping of H2O, CO2, and CO in Interstellar Object 3I/ATLAS. arXiv. https://arxiv.org/abs/2512.07318
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