January 05, 2015 article Open access A possible close supermassive black-hole binary in a quasar with optical periodicity Nature DOI: 10.1038/nature14143 Full text (OA) OpenAlex Authors 0 Author list not loaded yet. Cited by 3 stored of 364 Search Sort Most cited Newest Oldest Patent citations Title Any typearticle review book-chapter conference-paper preprint dissertation book dataset other Any fieldAgricultural and Biological Sciences Arts and Humanities Biochemistry, Genetics and Molecular Biology Business, Management and Accounting Chemical Engineering Chemistry Computer Science Decision Sciences Dentistry Earth and Planetary Sciences Economics, Econometrics and Finance Energy Engineering Environmental Science Health Professions Immunology and Microbiology Materials Science Mathematics Medicine Neuroscience Nursing Pharmacology, Toxicology and Pharmaceutics Physics and Astronomy Psychology Social Sciences Veterinary Open access THEZA: TeraHertz Exploration and Zooming-in for Astrophysics 2021 Experimental Astronomy article Physics and Astronomy Radio Astronomy Observations and Technology Open access 53 citations Determining subparsec supermassive black hole binary orbits with infrared interferometry 2020 MPG.PuRe (Max Planck Society) article Physics and Astronomy Astrophysical Phenomena and Observations 6 citations Determining Subparsec Supermassive Black Hole Binary Orbits with Infrared Interferometry 2020 The Astrophysical Journal article Physics and Astronomy Astrophysical Phenomena and Observations Open access 7 citations 3 results References 0