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Sources3I/ATLASAravind 2026
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High-resolution optical spectroscopy reveals the distinctive volatile composition of the interstellar comet 3I/ATLAS

K. Aravind, E. Jehin, C. Opitom, 2026. arXiv.

UVES Aug 2025 (3.14 au) to Feb 2026 (4.34 au): NH and NH2 strongly depleted; carbon-chain depleted; outside Solar System comet cluster.

MYS0DFPTE25MVWR · mystery · click to copyM3I/ATLASPreprint0

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3I/ATLAS
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Aravind, K., Jehin, E., & Opitom, C. (2026). High-resolution optical spectroscopy reveals the distinctive volatile composition of the interstellar comet 3I/ATLAS. arXiv. https://arxiv.org/abs/2609.26577
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