Nature Communications (Nov 2018)

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

  • Jianeng Zhou,
  • Zhongxiang Wang,
  • Liang Chen,
  • Paul J. Wiita,
  • Jithesh Vadakkumthani,
  • Nidia Morrell,
  • Pengfei Zhang,
  • Jujia Zhang

DOI
https://doi.org/10.1038/s41467-018-07103-2
Journal volume & issue
Vol. 9, no. 1
pp. 1 – 6

Abstract

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PKS 2247–131 is an active galaxy that has been emitting gamma-ray flares since October 2016. Here, the authors used data obtained with the Fermi Gamma-ray Space Telescope to find that PKS 2247–131 presents a relatively short, month-like flux oscillation at gamma-ray energies of 0.1–300 GeV.