A 34.5 day quasi-periodic oscillation in γ-ray emission from the blazar PKS 2247–131

• Published in: Nature communications Vol. 9; no. 1; pp. 4599 - 6
• Main Authors: Zhou, Jianeng, Wang, Zhongxiang, Chen, Liang, Wiita, Paul J., Vadakkumthani, Jithesh, Morrell, Nidia, Zhang, Pengfei, Zhang, Jujia
• Format: Journal Article
• Language: English
• Published: London Nature Publishing Group UK 02.11.2018; Nature Publishing Group; Nature Portfolio
• Subjects: 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

Since 2016 October, the active galaxy PKS 2247−131 has undergone a γ -ray outburst, which we studied using data obtained with the Fermi Gamma-ray Space Telescope. The emission arises from a relativistic jet in PKS 2247−131, as an optical spectrum only shows a few weak absorption lines, typical of th...