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Science Drivers for AGN Observations with the Cherenkov Telescope Array

2012/05/16 by Henric Krawczynski, H. Krawczynski, Krawczynski, Henric
Physics and Astronomy · #Astrophysics and Cosmic Phenomena #Dark Matter and Cosmic Phenomena #FOS: Physical sciences #High Energy Astrophysical Phenomena (astro-ph.HE) #Neutrino Physics Research #astro-ph.HE

paper · pdf · doi:10.48550/arxiv.1205.3698

Invited contribution to the workshop "AGN Physics in the CTA Era", 16-17 May, 2011, Toulouse (France). For complete proceedings see: http://pos.sissa.it/cgi-bin/reader/conf.cgi?confid=141

arxiv created 2012/05/16 · openalex publication_date 2012/05/16 · arxiv updated 2012/05/17 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The current generation of Imaging Atmospheric Cherenkov Telescopes (IACTs), including the H.E.S.S., MAGIC, and VERITAS telescope arrays, have made substantial contributions to our knowledge about the structure and composition of the highly relativistic jets from Active Galactic Nuclei (AGNs). In this paper, we discuss some of the outstanding scientific questions and give a qualitative overview of AGN related science topics which will be explored with the next-generation Cherenkov Telescope Array (CTA). CTA is expected to further constrain the structure and make-up of jets, and thus, to constrain models of jet formation, acceleration, and collimation. Furthermore, being the brightest well-established extragalactic sources of TeV γ- rays, AGNs can be used to probe the EBL, intergalactic magnetic fields, and the validity of the Lorentz Invariance principle at high photon energies.

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