The NANOGrav 15 yr Data Set: Constraints on Supermassive Black Hole Binaries from the Gravitational-wave Background by Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald, Paul T. Baker, Bence Bécsy, Laura Blecha, Alexander Bonilla, Adam Brazier, Paul R. Brook, Sarah Burke-Spolaor, Rand Burnette, Robin Case, J. Andrew Casey-Clyde, Maria Charisi, Shami Chatterjee, Katerina Chatziioannou, Belinda D. Cheeseboro, Siyuan Chen, Tyler Cohen, James M. Cordes, Neil J. Cornish, Fronefield Crawford, H. Thankful Cromartie, Kathryn Crowter, Curt J. Cutler, Daniel J. D’Orazio, Megan E. DeCesar, Dallas DeGan, Paul B. Demorest, Heling Deng, Timothy Dolch, Brendan Drachler, Elizabeth C. Ferrara, William Fiore, Emmanuel Fonseca, Gabriel E. Freedman, Emiko Gardiner, Nate Garver-Daniels, Peter A. Gentile, Kyle A. Gersbach, Joseph Glaser, Deborah C. Good, Kayhan Gültekin, Jeffrey S. Hazboun, Sophie Hourihane, Kristina Islo, Ross J. Jennings, Aaron Johnson, Megan L. Jones, Andrew R. Kaiser, David L. Kaplan, Luke Zoltan Kelley, Matthew Kerr, Joey S. Key, Nima Laal, Michael T. Lam, William G. Lamb, T. Joseph W. Lazio, Natalia Lewandowska, Tyson B. Littenberg, Tingting Liu, Jing Luo, Ryan S. Lynch, Chung-Pei Ma, Dustin R. Madison, Alexander McEwen, James W. McKee, Maura A. McLaughlin, Natasha McMann, Bradley W. Meyers, Patrick M. Meyers, Chiara M. F. Mingarelli, Andrea Mitridate, Priyamvada Natarajan, Cherry Ng, David J. Nice, Stella Koch Ocker, Ken D. Olum, Timothy T. Pennucci, Benetge B. P. Perera, Polina Petrov, Nihan S. Pol, Henri A. Radovan, Scott M. Ransom, Paul S. Ray, Joseph D. Romano, Jessie C. Runnoe, Shashwat C. Sardesai, Ann Schmiedekamp, Carl Schmiedekamp, Kai Schmitz, Levi Schult, Brent J. Shapiro-Albert, Xavier Siemens, Joseph Simon, Magdalena S. Siwek, Ingrid H. Stairs, Daniel R. Stinebring, Kevin Stovall, Jerry P. Sun, Abhimanyu Susobhanan, Joseph K. Swiggum, Jacob Taylor, Stephen R. Taylor, Jacob E. Turner, Caner Unal, Michele Vallisneri, Sarah J. Vigeland, Jeremy M. Wachter, Haley M. Wahl, Qiaohong Wang, Caitlin A. Witt, David Wright, Olivia Young, The NANOGrav Collaboration

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Needle in a Haystack: Finding Supermassive Black Hole-related Flares in the Zwicky Transient Facility Public Survey by Yael Dgany, Iair Arcavi, Lydia Makrygianni, Craig Pellegrino, D. Andrew Howell

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Accretion of Galaxies around Supermassive Black Holes and a Theoretical Model of the Tully-Fisher and M-Sigma Relations by Nick Gorkavyi

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Supermassive Black Holes from Bose-Einstein Condensed Dark Matter—Or Black and Dark Separation by Angular Momentum by Masahiro Morikawa

“…Many supermassive black holes (SMBH) of mass <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msup><mn>10</mn><mrow><mn>6</mn><mo>∼</mo><mn>9</mn></mrow></msup><msub><mi>M</mi><mo>⊙</mo></msub></mrow></semantics></math></inline-formula> are observed at the center of each galaxy even in the high redshift (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>z</mi><mo>≈</mo><mn>7</mn></mrow></semantics></math></inline-formula>) Universe. …”
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Quantum Spacetime Geometrization: QED at High Curvature and Direct Formation of Supermassive Black Holes from the Big Bang by Piero Chiarelli

“…In the cosmological modeling of the theory, there exists a proposal to account for the formation of supermassive black holes that are accompanied by their own surrounding galaxies, without relying on the process of mass accretion. …”
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Unstable Mass Transfer from a Main-sequence Star to a Supermassive Black Hole and Quasiperiodic Eruptions by Itai Linial, Re’em Sari

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How to Turn Jets into Cylinders near Supermassive Black Holes in 3D General Relativistic Magnetohydrodynamic Simulations by Valeriia Rohoza, Aretaios Lalakos, Max Paik, Koushik Chatterjee, Matthew Liska, Alexander Tchekhovskoy, Ore Gottlieb

“…Accreting supermassive black holes (SMBHs) produce highly magnetized relativistic jets that tend to collimate gradually as they propagate outward. …”
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The Swansong of the Galactic Center Source X7: An Extreme Example of Tidal Evolution near the Supermassive Black Hole by Anna Ciurlo, Randall D. Campbell, Mark R. Morris, Tuan Do, Andrea M. Ghez, Eric E. Becklin, Rory O. Bentley, Devin S. Chu, Abhimat K. Gautam, Yash A. Gursahani, Aurélien Hees, Kelly Kosmo O’Neil, Jessica R. Lu, Gregory D. Martinez, Smadar Naoz, Shoko Sakai, Rainer Schödel

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ALMA Gas-dynamical Mass Measurement of the Supermassive Black Hole in the Red Nugget Relic Galaxy PGC 11179 by Jonathan H. Cohn, Maeve Curliss, Jonelle L. Walsh, Kyle M. Kabasares, Benjamin D. Boizelle, Aaron J. Barth, Karl Gebhardt, Kayhan Gültekin, Akın Yıldırım, David A. Buote, Jeremy Darling, Andrew J. Baker, Luis C. Ho

Subjects: “…Supermassive black holes…”
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Observational Evidence of a Centi-parsec Supermassive Black Hole Binary Existing in the Nearby Galaxy M81 by Wu Jiang, Zhiqiang Shen, Ivan Martí-Vidal, Zhen Yan, Lei Huang, Roman Gold, Ya-Ping Li, Fuguo Xie, Noriyuki Kawaguchi

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X3: A High-mass Young Stellar Object Close to the Supermassive Black Hole Sgr A* by Florian Peißker, Michal Zajaček, Nadeen B. Sabha, Masato Tsuboi, Jihane Moultaka, Lucas Labadie, Andreas Eckart, Vladimír Karas, Lukas Steiniger, Matthias Subroweit, Anjana Suresh, Maria Melamed, Yann Clénet

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Prospects for the Observation of Continuous Gravitational Waves from Spinning Neutron Stars Lensed by the Galactic Supermassive Black Hole by Soummyadip Basak, Aditya Kumar Sharma, Shasvath J. Kapadia, Parameswaran Ajith

“…Though rare, such an observation will enable interesting probes of the supermassive black hole and its environment.…”
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Supermassive black holes in cosmological simulations I: M BH − M ⋆ relation and black hole mass function by Habouzit, Mélanie, Li, Yuan, Somerville, Rachel S, Genel, Shy, Pillepich, Annalisa, Volonteri, Marta, Davé, Romeel, Rosas-Guevara, Yetli, McAlpine, Stuart, Peirani, Sébastien, Hernquist, Lars, Anglés-Alcázar, Daniel, Reines, Amy, Bower, Richard, Dubois, Yohan, Nelson, Dylan, Pichon, Christophe, Vogelsberger, Mark

“…While these simulations produce galaxies in overall good agreement with observations, they employ different sub-grid models for galaxies and supermassive black holes (BHs). We investigate the impact of the sub-grid models on the BH mass properties of the Illustris, TNG100, TNG300, Horizon-AGN, EAGLE, and SIMBA simulations, focusing on the MBH − M⋆ relation and the BH mass function. …”
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WISDOM project – V. Resolving molecular gas in Keplerian rotation around the supermassive black hole in NGC 0383 by North, EV, Davis, TA, Bureau, M, Cappellari, M, Iguchi, S, Liu, L, Onishi, K, Sarzi, M, Smith, MD, Williams, TG

“…As part of the mm-Wave Interferometric Survey of Dark Object Masses (WISDOM), we present a measurement of the mass of the supermassive black hole (SMBH) in the nearby early-type galaxy NGC 0383 (radio source 3C 031). …”

WISDOM project - VI. Exploring the relation between supermassive black hole mass and galaxy rotation with molecular gas by Smith, MD, Bureau, M, Davis, TA, Cappellari, M, Liu, L, Onishi, K, Iguchi, S, North, EV, Sarzi, M

“…Empirical correlations between the masses of supermassive black holes (SMBHs) and properties of their host galaxies are well-established. …”

Galaxy Zoo: The fundamentally different co-evolution of supermassive black holes and their early- and late-type host galaxies by Schawinski, K, Urry, C, Virani, S, Coppi, P, Bamford, S, Treister, E, Lintott, C, Sarzi, M, Keel, W, Kaviraj, S, Cardamone, C, Masters, K, Ross, N, Andreescu, D, Murray, P, Nichol, R, Raddick, M, Slosar, A, Szalay, A, Thomas, D, Vandenberg, J

WISDOM project – IV. A molecular gas dynamical measurement of the supermassive black hole mass in NGC 524 by Smith, M, Bureau, M, Davis, T, Cappellari, M, Liu, L, North, E, Onishi, K, Iguchi, S, Sarzi, M

“…This disc is shown to be dynamically relaxed, exhibiting ordered rotation about a compact 1.3 mm continuum source, which we identify as emission from an active supermassive black hole (SMBH). There is a hole at the centre of the disc slightly larger than the SMBH sphere of influence. …”

The population of viscosity- and gravitational wave-driven supermassive black hole binaries among luminous active galactic nuclei by Haiman, Z, Kocsis, B, Menou, K

“…Supermassive black hole binaries (SMBHBs) in galactic nuclei are thought to be a common by-product of major galaxy mergers. …”

WISDOM project – VII. Molecular gas measurement of the supermassive black hole mass in the elliptical galaxy NGC 7052 by Smith, MD, Bureau, M, Davis, TA, Cappellari, M, Liu, L, Onishi, K, Iguchi, S, North, EV, Sarzi, M, Williams, TG

“…Supermassive black hole (SMBH) masses can be measured by resolving the dynamical influences of the SMBHs on tracers of the central potentials. …”

Probing the Mass Relation between Supermassive Black Holes and Dark Matter Halos at High Redshifts by Gravitational Wave Experiments by Kazuya Furusawa, Hiroyuki Tashiro, Shuichiro Yokoyama, Kiyotomo Ichiki

Subjects: “…Supermassive black holes…”
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