{"id":"zhao2026postperihelion","DOI":"10.3847/2041-8213/ae73fe","URL":"https://arxiv.org/abs/2603.07718","type":"article-journal","title":"Post-perihelion Coma Composition of the Interstellar Comet 3I/ATLAS from Optical Spectroscopy","author":[{"given":"Ruining","family":"Zhao"},{"given":"Xiliang","family":"Zhang"},{"given":"Bin","family":"Yang"}],"issued":{"date-parts":[[2026]]},"container-title":"ApJL","catalog-key":"SRC0DFPWGSFX1HR"}