{"paper":{"title":"A CO(3-2) survey of a merging sequence of luminous infrared galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"G. R. Davis, J. Leech, K. G. Isaak, P. P. Papadopoulos, Y. Gao","submitted_at":"2010-04-15T15:10:35Z","abstract_excerpt":"Luminous infrared galaxies ($L_{\\rm{IR}}>10^{11} L_{\\odot}$) are  often associated with interacting galactic systems and are thought  to be powered by merger--induced starbursts and/or dust--enshrouded  AGN. In such systems, the evolution of the dense, star forming  molecular gas as a function of merger separation is of particular  interest. Here, we present observations of the CO(3-2) emission from  a sample of luminous infrared galaxy mergers that span a range of  galaxy-galaxy separations. The excitation of the molecular gas is  studied by examining the CO(3-2)/CO(1-0) line ratio, $r_{31}$,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.2650","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}