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Astrophysics > Instrumentation and Methods for Astrophysics

arXiv:2108.00426 (astro-ph)
[Submitted on 1 Aug 2021]

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

Authors:Thomas Armstrong, Heide Costantini, Jean-François Glicenstein, Jean-Philippe Lenain, Ullrich Schwanke, Thomas Tavernier (for the CTA Consortium)
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Abstract: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.
Comments: 8 pages, 5 figures
Subjects: Instrumentation and Methods for Astrophysics (astro-ph.IM); High Energy Astrophysical Phenomena (astro-ph.HE)
Cite as: arXiv:2108.00426 [astro-ph.IM]
  (or arXiv:2108.00426v1 [astro-ph.IM] for this version)
  https://doi.org/10.48550/arXiv.2108.00426
Related DOI: https://doi.org/10.22323/1.395.0747

Submission history

From: Thomas Armstrong Dr [view email]
[v1] Sun, 1 Aug 2021 10:39:47 UTC (1,868 KB)
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