April 07, 2026 article Open access The Binary–Binary Hierarchical System XY Leo: A Laboratory for Stellar Activity and Concealed Companions The Astronomical Journal DOI: 10.3847/1538-3881/ae5106 Full text (OA) OpenAlex Authors 0 Author list not loaded yet. Cited by 0 stored of 0 References 1 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 Gaia Early Data Release 3 2020 Astronomy and Astrophysics article Physics and Astronomy Stellar, planetary, and galactic studies Open access 3,931 citations 1 result