April 30, 2021 article Open access A systematic search for changing-look quasars in SDSS-II using difference spectra Astronomy and Astrophysics DOI: 10.1051/0004-6361/202140597 Full text (OA) OpenAlex Authors 0 Author list not loaded yet. Cited by 2 stored of 16 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 Systematic Analysis of Changing-Look Active Galactic Nucleus Variability Using ZTF Light Curves 2026 The Astrophysical Journal article Physics and Astronomy Galaxies: Formation, Evolution, Phenomena Open access 2 citations The changing-look AGN SDSS J101152.98+544206.4 is returning to a type I state 2025 Astronomy and Astrophysics article Physics and Astronomy Galaxies: Formation, Evolution, Phenomena Open access 12 citations 2 results References 0