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Colin Carlile, researcher at Lund Observatory. Photo.

Colin Carlile

Guest researcher

Colin Carlile, researcher at Lund Observatory. Photo.

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

Author

  • A. Di Piano
  • C. Carlile
  • D. Dravins
  • M. Živec
  • A. Zmija

Summary, in English

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. © Copyright 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)

Department/s

  • Astrophysics

Publishing year

2022

Language

English

Publication/Series

Proceedings of Science

Volume

395

Document type

Conference paper

Topic

  • Astronomy, Astrophysics and Cosmology

Keywords

  • Cosmic rays
  • Cosmology
  • Gamma rays
  • Germanium alloys
  • Germanium compounds
  • Gravity waves
  • Telescopes
  • Tellurium compounds
  • Cherenkov Telescope
  • Cherenkov telescope arrays
  • Detection methods
  • Exposure-time
  • Ground based observatories
  • On-line softwares
  • Scientific data
  • Software-systems
  • Very-high-energy gamma-ray astronomies
  • Wide energy range
  • Observatories

Conference name

37th International Cosmic Ray Conference (ICRC 2021)

Conference date

2021-07-12 - 2021-07-23

Conference place

Berlin, Germany

Status

Published