A 34.5 day quasi-periodic oscillation in γ-ray emission from the blazar PKS 2247–131 - Zhou, Jianeng; Wang, Zhongxiang; Chen, Liang; Wiita, Paul J.; Vadakkumthani, Jithesh; Morrell, Nidia; Zhang, Pengfei; Zhang, Jujia (Nature communications, 2018)
Keywords: 639/33/34/4127; 639/33/34/864; Active galactic nuclei; Active galaxies; Blazars; Emission; Emissions; Fermi Gamma-ray Space Telescope; Galaxies; Gamma rays; Humanities and Social Sciences; multidisciplinary; Quasi-Periodic Oscillations; Science; Science (multidisciplinary); Space telescopes; Supermassive black holes