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Dainis Dravins

Dainis Dravins

Professor emeritus

Dainis Dravins

Monte Carlo Simulations and Validation of NectarCAM, a Medium Sized Telescope Camera for CTA

Author

  • T.P. Armstrong
  • Heide Constantini
  • Jean-François Glicenstein
  • Jean-Philippe Lenain
  • Ullrich Schwanke
  • C. Carlile
  • D. Dravins
  • A. Zmija

Summary, in English

The upcoming Cherenkov Telescope Array (CTA) ground-based gamma-ray observatory will open up our view of the very high energy Universe, offering an improvement in sensitivity of 5-10 times that of previous experiments. NectarCAM is one of the proposed cameras for the Medium-Sized Telescopes (MST) which have been designed to cover the core energy range of CTA, from 100 GeV to 10 TeV. The final camera will be capable of GHz sampling and provide a field of view of 8 degrees with its 265 modules of 7 photomultiplier each (for a total of 1855 pixels). In order to validate the performance of NectarCAM, a partially-equipped prototype has been constructed consisting of only the inner 61-modules. It has so far undergone testing at the integration test-bench facility in CEA Paris-Saclay (France) and on a prototype of the MST structure in Adlershof (Germany). To characterize the performance of the prototype, Monte Carlo simulations were conducted using a detailed model of the 61 module camera in the CORSIKA/sim_telarray framework. This contribution provides an overview of this work including the comparison of trigger and readout performance on test-bench data and trigger and image parameterization performance during on-sky measurements. © Copyright owned by the author(s) under the terms of the Creative Commons.

Department/s

  • Lund Observatory - Undergoing reorganization

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 compounds
  • Integration testing
  • Intelligent systems
  • Monte Carlo methods
  • Telescopes
  • Tellurium compounds
  • Cherenkov telescope arrays
  • Core energy
  • Energy ranges
  • Gamma ray observatories
  • Ground based
  • Monte Carlo's simulation
  • Performance
  • Simulation and validation
  • Test-bench
  • Very high energies
  • Cameras

Conference name

37th International Cosmic Ray Conference

Conference date

2021-07-12 - 2021-07-23

Conference place

Berlin, Germany

Status

Published

ISBN/ISSN/Other

  • ISSN: 1824-8039