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Very Large Telescope Observations of Interstellar Comet 3I/ATLAS. II. From Quiescence to Glow: Dramatic Rise of Ni I Emission and Incipient CN Outgassing at Large Heliocentric Distances
Rohan Rahatgaonkar, Juan Pablo Carvajal, Thomas H. Puzia, 2025. ApJL 995, L34.
Ni lines with Fe I undetected; on 2025-08-21 (2.85 au) log Q(CN)=24.81+/-0.01, log Q(Ni)=23.30+/-0.07; Q(Ni) ~ r^-7.7; Q(OH)<1.48e26 /s at 3.14 au.
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Rahatgaonkar, R., Carvajal, J. P., & Puzia, T. H. (2025). Very Large Telescope Observations of Interstellar Comet 3I/ATLAS. II. From Quiescence to Glow: Dramatic Rise of Ni I Emission and Incipient CN Outgassing at Large Heliocentric Distances. ApJL 995, L34. https://doi.org/10.3847/2041-8213/ae1cbc
@article{rahatgaonkar2025very,
author = {Rahatgaonkar, Rohan and Carvajal, Juan Pablo and Puzia, Thomas H.},
title = {Very Large Telescope Observations of Interstellar Comet 3I/ATLAS. II. From Quiescence to Glow: Dramatic Rise of Ni I Emission and Incipient CN Outgassing at Large Heliocentric Distances},
journal = {ApJL 995, L34},
year = {2025},
doi = {10.3847/2041-8213/ae1cbc},
url = {https://arxiv.org/abs/2508.18382}
}TY - JOUR TI - Very Large Telescope Observations of Interstellar Comet 3I/ATLAS. II. From Quiescence to Glow: Dramatic Rise of Ni I Emission and Incipient CN Outgassing at Large Heliocentric Distances AU - Rahatgaonkar, Rohan AU - Carvajal, Juan Pablo AU - Puzia, Thomas H. PY - 2025 JO - ApJL 995, L34 DO - 10.3847/2041-8213/ae1cbc UR - https://arxiv.org/abs/2508.18382 ER -
Rahatgaonkar, Rohan et al.. “Very Large Telescope Observations of Interstellar Comet 3I/ATLAS. II. From Quiescence to Glow: Dramatic Rise of Ni I Emission and Incipient CN Outgassing at Large Heliocentric Distances.” ApJL 995, L34 (2025). https://doi.org/10.3847/2041-8213/ae1cbc.