Accretion Disk Contamination and Compact Object Mass Determination in V404Cyg and Cen X-4. The Astrophysical Journal. 2010, 716 (2): 1105. Bibcode:2010ApJ
doi:10.3847/1538-4357/aabfbd. (原始内容存档于2022-12-25). Kato, Taichi Kato. V476 Cyg (Nova Cyg 1920) is currently a dwarf nova — first such an object in the period