Journal ArticleElectromagnetic Emission from Supermassive Binary Black Holes Approaching Mergerd’Ascoli, Stéphane; Noble, Scott C.; Bowen, Dennis B.; Campanelli, Manuela; Krolik, Julian H.; Mewes, Vassilios2018-10-0110106129The Astrophysical Journal86521401538-4357https://doi.org/10.3847/1538-4357/aad8b41707826; 1811228; 1726215; 1707946; 1811287National Science Foundation