{"paper":{"title":"Revisiting the supermassive black hole mass of NGC 7052 using high spatial resolution molecular gas observed with ALMA","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Dieu D. Nguyen, Eden Girma, Elena Gallo, Fabio Pacucci, Hai N. Ngo, Khue N. H. Ho, Kouichiro Nakanishi, Kristina Nyland, Masatoshi Imanishi, Que T. Le, Tien H. T. Ho, Tinh Q. T. Le","submitted_at":"2025-09-03T02:42:31Z","abstract_excerpt":"We present our dynamical mass constraints on the central supermassive black hole (SMBH) in the early-type galaxy NGC 7052 using high spatial-resolution observations of $^{12}$CO(2-1) emission from the Atacama Large Millimeter/submillimeter Array (ALMA). The data were obtained during ALMA Cycle 7 and have a synthesized beam size of 0''.29 $\\times$ 0''.22 (97 $\\times$ 73 pc$^2$). The dynamical model yielded an SMBH mass of $\\approx (2.50 \\pm 0.37 \\, [{\\rm statistical}] \\pm 0.8 \\, [{\\rm systematic}]) \\times 10^9$ M$_{\\odot}$ and a stellar-$I$ band mass-to-light ratio of $\\approx 4.08 \\pm 0.23\\, ["},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.02956","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2509.02956/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"}