Bright blazar flares with CTA
M. Cerruti, J. Finke, G. Grolleron, J.P. Lenain, T. Hovatta, M. Joshi,, E. Lindfors, P. Morris, M. Petropoulou, P. Romano, S. Vercellone, M., Zacharias (for the CTA Consortium)

TL;DR
This paper discusses how the upcoming Cherenkov Telescope Array (CTA) will enhance our understanding of blazar flares by providing detailed observations, based on realistic simulations of blazar emissions and CTA capabilities.
Contribution
It presents realistic simulations of CTA observations of blazar flares, integrating advanced emission models and observational constraints to predict future insights.
Findings
CTA will significantly improve blazar flare observations.
Simulations show enhanced spectral and temporal resolution.
Expected to advance understanding of jet physics and particle acceleration.
Abstract
The TeV extragalactic sky is dominated by blazars, radio-loud active galactic nuclei with a relativistic jet pointing towards the Earth. Blazars show variability that can be quite exceptional both in terms of flux (orders of magnitude of brightening) and time (down to the minute timescale). This bright flaring activity contains key information on the physics of particle acceleration and photon production in the emitting region, as well as the structure and physical properties of the jet itself. The TeV band is accessed from the ground by Cherenkov telescopes that image the pair cascade triggered by the interaction of the gamma ray with the Earth's atmosphere. The Cherenkov Telescope Array (CTA) represents the upcoming generation of imaging atmospheric Cherenkov telescopes, with a significantly higher sensitivity and larger energy coverage with respect to current instruments. It will…
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Radio Astronomy Observations and Technology · Particle Detector Development and Performance
