Discovery of a Candidate Binary Supermassive Black Hole in a Periodic Quasar from Circumbinary Accretion Variability

Binary supermassive black holes (BSBHs) are expected to be a generic byproduct from hierarchical galaxy formation. The final coalescence of BSBHs is thought to be the loudest gravitational wave (GW) siren, yet no confirmed BSBH is known in the GW-dominated regime. While periodic quasars have been pr...

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Veröffentlicht in:	Monthly notices of the Royal Astronomical Society 2020-10, Vol.500 (3)
Hauptverfasser:	Liao, Wei-Ting, Chen, Yu-Ching, Liu, Xin, Holgado, A. Miguel, Guo, Hengxiao, Gruendl, Robert, Morganson, Eric, Shen, Yue, Davis, Tamara, Kessler, Richard, Martini, Paul, McMahon, Richard G., Allam, Sahar, Annis, James, Avila, Santiago, Banerji, Manda, Bechtol, Keith, Bertin, Emmanuel, Brooks, David, Buckley-Geer, Elizabeth, Rosell, Aurelio Carnero, Kind, Matias Carrasco, Carretero, Jorge, Castander, Francisco Javier, Cunha, Carlos, D’Andrea, Chris, da Costa, Luiz, Davis, Christopher, De Vicente, Juan, Desai, Shantanu, Diehl, H. Thomas, Doel, Peter, Eifler, Tim, Evrard, August, Flaugher, Brenna, Fosalba, Pablo, Frieman, Josh, Garcia-Bellido, Juan, Gaztanaga, Enrique, Glazebrook, Karl, Gruen, Daniel, Gschwend, Julia, Gutierrez, Gaston, Hartley, Will, Hollowood, Devon L., Honscheid, Klaus, Hoyle, Ben, James, David, Krause, Elisabeth, Kuehn, Kyler, Lima, Marcos, Maia, Marcio, Marshall, Jennifer, Menanteau, Felipe, Miquel, Ramon, Malagń, Andrés Plazas, Roodman, Aaron, Sanchez, Eusebio, Scarpine, Vic, Schubnell, Michael, Serrano, Santiago, Smith, Mathew, Smith, R. Chris, Soares-Santos, Marcelle, Sobreira, Flavia, Suchyta, Eric, Swanson, Molly, Tarle, Gregory, Vikram, Vinu, Walker, Alistair
Format:	Artikel
Sprache:	eng
Schlagworte:	ASTRONOMY AND ASTROPHYSICS black hole physics galaxies: active galaxies: high-redshift galaxies: nuclei quasars: general surveys
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