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Detection methods for the Cherenkov Telescope Array at very-short exposure times

Journal
Date Issued
2021
Author(s)
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Longo, Francesco
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López-Oramas, Alicia
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DOI
Abstract
The Cherenkov Telescope Array (CTA) will be the next generation ground-based observatory for very-high-energy (VHE) gamma-ray astronomy, with the deployment of tens of highly sensitive and fast-reacting Cherenkov telescopes. It will cover a wide energy range (20 GeV - 300 TeV) with unprecedented sensitivity. To maximize the scientific return, the observatory will be provided with an online software system that will perform the first analysis of scientific data in real-time. This study investigates the precision and accuracy of available science tools and analysis techniques for the short-term detection of gamma-ray sources, in terms of sky localization, detection significance and, if significant detection is achieved, a first estimation of the integral photon flux. The scope is to evaluate the feasibility of the algorithms' implementation in the real-time analysis of CTA. In this contribution we present a general overview of the methods and some of the results for the test case of the short term detection of a gamma-ray burst afterglow, as the VHE counterpart of a gravitational wave event.
Coverage
37th International Cosmic Ray Conference ICRC2021
Start page
694
Conferenece
37th International Cosmic Ray Conference ICRC2021
Conferenece place
Berlin
Conferenece date
12-23 July 2021
Uri
Url
Issn Identifier
1824-8039
Rights
open.access
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2021_ICRC2021_694.pdf

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