{"paper":{"title":"Demographics of black holes at $<$100 R$_{\\rm g}$ scales: accretion flows, jets, and shadows","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Akihiro Doi, Alan L. Roy, Andreas Brunthaler, Andrei P. Lobanov, Angelo Ricarte, Anne-Kathrin Baczko, Avery E. Broderick, Bidisha Bandyopadhyay, Cheng-Yu Kuo, Chi-kwan Chan, Christian M. Fromm, C. M. Violette Impellizzeri, Cormac Reynolds, Cristina Romero-Ca\\~nizales, Daewon Kim, Daniel Hoak, Daryl Haggard, David Hughes, Deokhyeong Lee, Dhanya G. Nair, Dimitrios Psaltis, Dominic W. Pesce, Dominik Schleicher, Dong-Jin Kim, Eduardo Ros, Edward Fomalont, Ezequiel Treister, Garrett K. Keating, Geoffrey C. Bower, Gopal Narayanan, Hayley Bignall, H\\'ector Ra\\'ul Olivares S\\'anchez, Heino Falcke, Helge Rottmann, Hendrik M\\\"uller, Hiroshi Nagai, Hung-Yi Pu, Jae-Young Kim, J. Anton Zensus, Jan Wagner, Joaqu\\'in Hern\\'andez-Y\\'evenes, Jongho Park, Jos\\'e L. G\\'omez, Julie Hlavacek-Larrondo, Jun Yi Koay, Kaj Wiik, Kazuhiro Hada, Kazunori Akiyama, Keiichi Asada, Lindy Blackburn, Lynn D. Matthews, Maciek Wielgus, Mark Gurwell, Mar Mezcua, Mary Loli Mart\\'inez-Aldama, Masanori Nakamura, Michael A. Nowak, Michael D. Johnson, Michael Janssen, Michael Lindqvist, Monika Moscibrodzka, Nathan W. C. Leigh, Neil M. Nagar, Nicholas R. MacDonald, Nicole M. Ford, Oliver Porth, Patricia Arevalo, Paulina Lira, Preeti Kharb, Priyamvada Natarajan, Ramprasad Rao, Rodrigo Herrera-Camus, Rodrigo Reeves, Roman Burridge, Ru-Sen Lu, Satoki Matsushita, Sebastiano D. von Fellenberg, Sera Markoff, Sheperd S. Doeleman, Shoko Koyama, Silpa S., Svetlana Jorstad, Thomas P. Krichbaum, Tomohisa Kawashima, Tuomas Savolainen, Venkatessh Ramakrishnan, Vicente Arratia, Vincent L. Fish, Wen-Ping Lo, Xinyue A. Zhang","submitted_at":"2024-12-28T21:14:46Z","abstract_excerpt":"Using the Event Horizon Telescope (EHT), the gravitationally lensed rings around the supermassive black holes (SMBHs) in Messier 87 (M87) and Sagittarius A* (Sgr A*) have now been successfully imaged at a resolution under 10 gravitational radii (R$_{\\rm g}$ $ = \\rm{GM/c^2}$). To expand studies beyond M87 and Sgr A*, we have constructed the Event Horizon and Environs (ETHER) sample, a comprehensive database encompassing approximately 3.15 million SMBH mass estimates, $\\sim$ 20,000 Very-Long Baseline Interferometry (VLBI) radio flux densities, and $\\sim$ 36,000 hard X-ray flux densities. This da"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.20276","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/2412.20276/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"}