{"id":"seligman2025discovery","DOI":"10.3847/2041-8213/adf49a","URL":"https://doi.org/10.3847/2041-8213/adf49a","type":"article-journal","title":"Discovery and Preliminary Characterization of a Third Interstellar Object: 3I/ATLAS","author":[{"given":"Darryl Z.","family":"Seligman"},{"given":"Marco","family":"Micheli"},{"given":"Davide","family":"Farnocchia"},{"given":"Larry","family":"Denneau"},{"given":"John W.","family":"Noonan"},{"given":"Henry H.","family":"Hsieh"},{"given":"Toni","family":"Santana-Ros"},{"given":"John","family":"Tonry"},{"given":"Karen J.","family":"Meech"}],"issued":{"date-parts":[[2025]]},"year-text":"2025","container-title":"The Astrophysical Journal Letters","catalog-key":"SRC0CSKBD3C762B"}