The Cherenkov Telescope Array view of the Galactic Center region

Aion Viana, Sofia Ventura, Daniele Gaggero, Dario Grasso, Dmitry Malyshev, Karl Kosack, Stefan Funk, Antonino D'Ai, Rafael Alves Batista, Rebecca Blackwell, Aleksandr Burtovoi, Patrizia A. Caraveo, Masha Chernyakova, Paolo Da Vela, Giovanni De Cesare, Elisabete M. de Gouveia Dal Pino, Emma de Oña Wilhelmi, Miroslav Filipovic, Michele Fiori, Ignacio A. MinayaJuan Carlos Rodríguez-Ramírez, Gavin Rowell, Andrea Rugliancich, Olga Sergijenko, Luca Zampieri

Research output: Chapter in Book / Conference PaperConference Paper

Abstract

![CDATA[Among all the high-energy environments of our Galaxy, the Galactic Center (GC) region is definitely the richest. It harbors a large amount of non-thermal emitters, including the closest super-massive black hole, dense molecular clouds, regions with strong star forming activity, multiple supernova remnants and pulsar wind nebulae, arc-like radio structures, as well as the base of what may be large-scale Galactic outflows, possibly related to the Fermi Bubbles. It also contains a strong diffuse TeV gamma-ray emission along the Galactic ridge, with a disputed origin, including the presence of a possible Pevatron, unresolved sources, and an increased relevance of the diffuse sea of cosmic rays. This very rich region will be one of the key targets for the next generation ground-based observatory for gamma-ray astronomy, the Cherenkov Telescope Array (CTA). Here we review the CTA science case for the study of the GC region, and present the planned survey strategy. These observations are simulated and we assess CTA's potential to better characterize the origin and nature of a selection of gamma-ray sources in the region.]]
Original languageEnglish
Title of host publicationProceedings of the 36th International Cosmic Ray Conference, July 24th - August 1st, 2019, Madison, WI, U.S.A.
PublisherSissa Medialab
Number of pages9
Publication statusPublished - 2019
EventInternational Cosmic Ray Conference -
Duration: 1 Jan 2019 → …

Conference

ConferenceInternational Cosmic Ray Conference
Period1/01/19 → …

Open Access - Access Right Statement

© Owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0) https://creativecommons.org/licenses/by-nc-nd/4.0/

Keywords

  • deep space
  • Galactic centre
  • Cherenkov Telescope Array (Observatory)
  • cosmic rays
  • gamma ray astronomy

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