Very high energy sky monitoring with the Southern Widefield Gamma-ray Observatory

The Southern Wide-field Gamma-ray Observatory (SWGO) is the proposal for a new ground-based γ-ray instrument in the Southern Hemisphere, which will use an array of water-Cherenkov particle detectors to provide continuous monitoring of a large portion of the sky at the very- and ultra-high-energies (...

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Main Authors: La Mura Giovanni, Barres de Almeida Ulisses, Longo Francesco
Format: Article
Language:English
Published: EDP Sciences 2023-01-01
Series:EPJ Web of Conferences
Online Access:https://www.epj-conferences.org/articles/epjconf/pdf/2023/06/epjconf_ricap2022_01007.pdf
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author La Mura Giovanni
Barres de Almeida Ulisses
Longo Francesco
author_facet La Mura Giovanni
Barres de Almeida Ulisses
Longo Francesco
author_sort La Mura Giovanni
collection DOAJ
description The Southern Wide-field Gamma-ray Observatory (SWGO) is the proposal for a new ground-based γ-ray instrument in the Southern Hemisphere, which will use an array of water-Cherenkov particle detectors to provide continuous monitoring of a large portion of the sky at the very- and ultra-high-energies (VHE and UHE, respectively). At the low energy side, SWGO aims to push the observational range of wide-field ground-based γ-ray facilities down to a few hundred GeV, thus bridging the gap between space and ground-based facilities in the monitoring of the VHE sky. In the high energy domain, on the contrary, it will benefit from the optimal coverage of the Galactic Plane to map the distribution of UHE sources in the inner parts of the Galactic disk and close to the Galactic Center, leading to an extraordinary improvement in our ability to identify their most likely counterparts. In this contribution, we describe the concept of SWGO and its potential to constrain the physics of VHE emission and particle acceleration in γ-ray sources powered by relativistic jets and energetic shocks. We finally discuss its role within the global network of multi-messenger facilities.
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spelling doaj.art-32f85108bfb64da3b56bb8a88e1c8b5a2023-03-21T10:32:53ZengEDP SciencesEPJ Web of Conferences2100-014X2023-01-012800100710.1051/epjconf/202328001007epjconf_ricap2022_01007Very high energy sky monitoring with the Southern Widefield Gamma-ray ObservatoryLa Mura Giovanni0Barres de Almeida Ulisses1Longo Francesco2Laboratório de Instrumentação e Física Experimental de Partículas (LIP)Brazilian Center for Physics Research (CBPF)IFPU - Institute for Fundamental Physics of the UniverseThe Southern Wide-field Gamma-ray Observatory (SWGO) is the proposal for a new ground-based γ-ray instrument in the Southern Hemisphere, which will use an array of water-Cherenkov particle detectors to provide continuous monitoring of a large portion of the sky at the very- and ultra-high-energies (VHE and UHE, respectively). At the low energy side, SWGO aims to push the observational range of wide-field ground-based γ-ray facilities down to a few hundred GeV, thus bridging the gap between space and ground-based facilities in the monitoring of the VHE sky. In the high energy domain, on the contrary, it will benefit from the optimal coverage of the Galactic Plane to map the distribution of UHE sources in the inner parts of the Galactic disk and close to the Galactic Center, leading to an extraordinary improvement in our ability to identify their most likely counterparts. In this contribution, we describe the concept of SWGO and its potential to constrain the physics of VHE emission and particle acceleration in γ-ray sources powered by relativistic jets and energetic shocks. We finally discuss its role within the global network of multi-messenger facilities.https://www.epj-conferences.org/articles/epjconf/pdf/2023/06/epjconf_ricap2022_01007.pdf
spellingShingle La Mura Giovanni
Barres de Almeida Ulisses
Longo Francesco
Very high energy sky monitoring with the Southern Widefield Gamma-ray Observatory
EPJ Web of Conferences
title Very high energy sky monitoring with the Southern Widefield Gamma-ray Observatory
title_full Very high energy sky monitoring with the Southern Widefield Gamma-ray Observatory
title_fullStr Very high energy sky monitoring with the Southern Widefield Gamma-ray Observatory
title_full_unstemmed Very high energy sky monitoring with the Southern Widefield Gamma-ray Observatory
title_short Very high energy sky monitoring with the Southern Widefield Gamma-ray Observatory
title_sort very high energy sky monitoring with the southern widefield gamma ray observatory
url https://www.epj-conferences.org/articles/epjconf/pdf/2023/06/epjconf_ricap2022_01007.pdf
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