1. Bright blazar flares with CTAM. Cerruti, Saptashwa Bhattacharyya, Judit Pérez Romero, Samo Stanič, Veronika Vodeb, Serguei Vorobiov, Danilo Zavrtanik, Marko Zavrtanik, Miha Živec, 2023, objavljeni znanstveni prispevek na konferenci Opis: 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 thus provide us with unprecedented statistics on blazar
light-curves and spectra. In this contribution we present the results from realistic simulations of
CTA observations of bright blazar flares, taking as input state-of-the-art numerical simulations of
blazar emission models and including all relevant observational constraints. Ključne besede: active galactic nuclei, radio-loud AGN, blazars Objavljeno v RUNG: 15.09.2023; Ogledov: 2057; Prenosov: 6 Celotno besedilo (1,82 MB) Gradivo ima več datotek! Več... |