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Sources3I/ATLASHutsemékers 2026
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Origin and evolution of NiI and FeI in the coma of the interstellar comet 3I/ATLAS throughout its trajectory

Damien Hutsemékers, Jean Manfroid, Cyrielle Opitom, 2026. arXiv.

Post-perihelion UVES: metals higher and declining more slowly outbound; carbonyl sublimation from cm depths; transient 100-140 K heat source (amorphous-crystalline transition?) for early Ni excess.

MYS0DFPTE25MVWR · mystery · click to copyM3I/ATLASPreprint0

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Hutsemékers, D., Manfroid, J., & Opitom, C. (2026). Origin and evolution of NiI and FeI in the coma of the interstellar comet 3I/ATLAS throughout its trajectory. arXiv. https://arxiv.org/abs/2605.07652
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