{"id":"li2026preperihelion","DOI":"10.3847/2041-8213/ae45a2","URL":"https://arxiv.org/abs/2602.14218","type":"article-journal","title":"Pre-perihelion Volatile Evolution of Interstellar Comet 3I/ATLAS Indicating Significant Contribution from Extended Source in the Coma","author":[{"given":"Juncen","family":"Li"},{"given":"Xian","family":"Shi"},{"given":"Man-To","family":"Hui"}],"issued":{"date-parts":[[2026]]},"container-title":"ApJL","catalog-key":"SRC0DFPWGSFSMYR"}