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Spectroscopic Characterization of Interstellar Object 3I/ATLAS: Water Ice in the Coma

Bin Yang, Karen J. Meech, Michael Connelley, 2025. ApJL 992, L9.

Gemini-S/GMOS and IRTF/SpeX on 2025-07-05 and 07-14: red optical slope, NIR flattening and 2.0 um band fit by ~30% 10-um water-ice grains.

MYS0DFPTE25MVWR · mystery · click to copyM3I/ATLASArticledoi: 10.3847/2041-8213/ae08a70

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3I/ATLAS
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Yang, B., Meech, K. J., & Connelley, M. (2025). Spectroscopic Characterization of Interstellar Object 3I/ATLAS: Water Ice in the Coma. ApJL 992, L9. https://doi.org/10.3847/2041-8213/ae08a7
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