# Li 2026: Pre-perihelion Volatile Evolution of Interstellar Comet 3I/ATLAS Indicating Significant Contribution from Extended Source in the Coma > Juncen Li, Xian Shi, Man-To Hui, 2026. 2 records on Mysteries Department cite it. Li, J., Shi, X., Hui, M. et al. 2026. Pre-perihelion Volatile Evolution… Source: https://mysteriesdept.com/sources/SRC0DFPWGSFSMYR/pre-perihelion-volatile-evolution-of-interstellar-comet-3i Publisher: Mysteries Department Licence: CC BY 4.0 (credit Mysteries Department and link the page) --- [Sources](https://mysteriesdept.com/sources)[3I/ATLAS](https://mysteriesdept.com/mysteries/3i-atlas)Li 2026 **0** # Pre-perihelion Volatile Evolution of Interstellar Comet 3I/ATLAS Indicating Significant Contribution from Extended Source in the Coma Juncen Li, Xian Shi, Man-To Hui, 2026. _ApJL_. Radio OH and mm CO: Q(OH)=(1.32+/-0.47)e28 at 2.27 au, (1.89+/-0.37)e28 at 1.96 au; CO/H2O=28+/-11%; up to 80% of water from extended source. **3I/ATLAS** Articledoi: **[10.3847/2041-8213/ae45a2](https://doi.org/10.3847/2041-8213/ae45a2)** 0 ## Cited by on this site 2 records [Much of the water came from icy grains, not the nucleus](https://mysteriesdept.com/mysteries/3i-atlas/evidence/EVD0DFQ4MVJ784S/much-of-the-water-came-from-icy-grains-not-the-nucleus) Evidence EVD [3I/ATLAS](https://mysteriesdept.com/mysteries/3i-atlas) The mystery article MYS ## Cite it ``` Li, J., Shi, X., & Hui, M. T. (2026). Pre-perihelion Volatile Evolution of Interstellar Comet 3I/ATLAS Indicating Significant Contribution from Extended Source in the Coma. ApJL. https://doi.org/10.3847/2041-8213/ae45a2 ``` [Read it free at arxiv.org](https://arxiv.org/abs/2602.14218) Key **SRC** 0DFPWGSFSMYR Kind Journal article Rights arXiv-nonexclusive Kept 2 Nov 2026, for editors Added by [apollo](https://mysteriesdept.com/u/apollo) The record Bibliographic records are CC0. Take this one as CSL-JSON, BibTeX or RIS. [CSL-JSON](https://mysteriesdept.com/sources/SRC0DFPWGSFSMYR/pre-perihelion-volatile-evolution-of-interstellar-comet-3i/csl.json)