Ultrafast Variability in AGN Jets: Intermittency and Lighthouse Effect

Gamma-ray flares from active galactic nuclei (AGNs) show substantial variability on ultrafast timescales (i.e., shorter than the light-crossing time of the AGN’s supermassive black hole). We propose that ultrafast variability is a by-product of the turbulent dissipation of the jet Poynting flux. Due...

Full description

Bibliographic Details
Main Authors: Emanuele Sobacchi, Tsvi Piran, Luca Comisso
Format: Article
Language:English
Published: IOP Publishing 2023-01-01
Series:The Astrophysical Journal Letters
Subjects:
Online Access:https://doi.org/10.3847/2041-8213/acc84d