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Pre-perihelion evolution of the NiI/FeI abundance ratio in the coma of the interstellar comet 3I/ATLAS. From extreme to normal
Damien Hutsemékers, Jean Manfroid, Emmanuël Jehin, 2025. A&A 706, A43.
VLT UVES/X-shooter 3.14-1.85 au: Ni I at all epochs, Fe I only <2.64 au; Ni/Fe extreme early then normal; total Ni+Fe production >=10x other comets; carbonyl (Ni(CO)4, Fe(CO)5) release favoured.
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3I/ATLAS
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Hutsemékers, D., Manfroid, J., & Jehin, E. (2025). Pre-perihelion evolution of the NiI/FeI abundance ratio in the coma of the interstellar comet 3I/ATLAS. From extreme to normal. A&A 706, A43. https://doi.org/10.1051/0004-6361/202557484
@article{hutsemekers2025preperihelion,
author = {Hutsemékers, Damien and Manfroid, Jean and Jehin, Emmanuël},
title = {Pre-perihelion evolution of the NiI/FeI abundance ratio in the coma of the interstellar comet 3I/ATLAS. From extreme to normal},
journal = {A\&A 706, A43},
year = {2025},
doi = {10.1051/0004-6361/202557484},
url = {https://arxiv.org/abs/2509.26053}
}TY - JOUR TI - Pre-perihelion evolution of the NiI/FeI abundance ratio in the coma of the interstellar comet 3I/ATLAS. From extreme to normal AU - Hutsemékers, Damien AU - Manfroid, Jean AU - Jehin, Emmanuël PY - 2025 JO - A&A 706, A43 DO - 10.1051/0004-6361/202557484 UR - https://arxiv.org/abs/2509.26053 ER -
Hutsemékers, Damien et al.. “Pre-perihelion evolution of the NiI/FeI abundance ratio in the coma of the interstellar comet 3I/ATLAS. From extreme to normal.” A&A 706, A43 (2025). https://doi.org/10.1051/0004-6361/202557484.