{"paper":{"title":"ALMA Observations of the Submillimeter Dense Molecular Gas Tracers in the Luminous Type-1 Active Nucleus of NGC 7469","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Akihiro Doi, Bunyo Hatsukade, Daisuke Iono, Daniel Espada, David S. Meier, Eva Schinnerer, Hideki Umehata, Hideko Nomura, Hiroshi Nagai, Jean L. Turner, Kambiz Fathi, Kartik Sheth, Kotaro Kohno, Kouichiro Nakanishi, Masatoshi Imanishi, Melanie Krips, Michael W. Regan, Nanase Harada, Naomasa Nakai, Pei-Ying Hsieh, Satoki Matsushita, Sergio Mart\\'in, Shuro Takano, Soh Ikarashi, Sumio Ishizuki, Susanne Aalto, Takashi Hattori, Takuma Izumi, Taku Nakajima, Tommy Wiklind, Tomoka Tosaki, Yoichi Tamura, Yuichi Terashima","submitted_at":"2015-08-24T20:09:25Z","abstract_excerpt":"We present ALMA Cycle 1 observations of the central kpc region of the luminous type-1 Seyfert galaxy NGC 7469 with unprecedented high resolution (0.5$\"$ $\\times$ 0.4$\"$ = 165 pc $\\times$ 132 pc) at submillimeter wavelengths. Utilizing the wide-bandwidth of ALMA, we simultaneously obtained HCN(4-3), HCO$^+$(4-3), CS(7-6), and partially CO(3-2) line maps, as well as the 860 $\\mu$m continuum. The region consists of the central $\\sim$ 1$\"$ component and the surrounding starburst ring with a radius of $\\sim$ 1.5$\"$-2.5$\"$. Several structures connect these components. Except for CO(3-2), these dense"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.05946","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"}