{"paper":{"title":"The CO luminosity and CO-H2 conversion factor of diffuse ISM: does CO emission trace dense molecular gas?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Harvey Liszt, Jerome Pety, Robert Lucas","submitted_at":"2010-05-12T17:07:39Z","abstract_excerpt":"Aims: We wish to separate and quantify the CO luminosity and CO-H2 conversion  factor applicable to diffuse but partially-molecular ISM when H2 and CO  are present but C+ is the dominant form of gas-phase carbon.\n  Methods: We discuss galactic lines of sight observed in \\HI, HCO+ and CO where CO emission is present but the intervening clouds are diffuse (locally \\AV\\ $\\la 1$ mag) with relatively small CO column densities $\\NCO \\la  2\\times10^{16}\\pcc$.  We separate the atomic and molecular fractions statistically using \\EBV\\ as a gauge of the total gas column density and compare NH2 to the obs"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.2157","kind":"arxiv","version":1},"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"}