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Astrophysics > Instrumentation and Methods for Astrophysics

arXiv:2108.02580 (astro-ph)
[Submitted on 5 Aug 2021]

Title:The upgraded Data Acquisition System of the H.E.S.S. telescope array

Authors:Sylvia J. Zhu, Tim Lukas Holch, Thomas Murach, Stefan Ohm, Matthias Fuessling, Mathieu de Naurois, Fabian Krack, Klemens Mosshammer, Rico Lindemann
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Abstract:The High Energy Stereoscopic System (H.E.S.S.) is an array of five Imaging Atmospheric Cherenkov Telescopes located in the Khomas Highland of Namibia. H.E.S.S. observes gamma rays above tens of GeV by detecting the Cherenkov light that is produced when Very High Energy gamma rays interact with the Earth's atmosphere. The H.E.S.S. Data Acquisition System (DAQ) coordinates the nightly telescope operations, ensuring that the various components communicate properly and behave as intended. It also provides the interface between the telescopes and the people on shift who guide the operations. The DAQ comprises both the hardware and software, and since the beginning of H.E.S.S., both elements have been continuously adapted to improve the data-taking capabilities of the array and push the limits of what H.E.S.S. is capable of. Most recently, this includes the upgrade of the entire computing cluster hosting the DAQ software, and the accommodation of a new camera on the large 28m H.E.S.S. telescope. We discuss the performance of the upgraded DAQ and the lessons learned from these activities.
Comments: Proceedings of the 37th International Cosmic Ray Conference (ICRC2021)
Subjects: Instrumentation and Methods for Astrophysics (astro-ph.IM); High Energy Astrophysical Phenomena (astro-ph.HE)
Cite as: arXiv:2108.02580 [astro-ph.IM]
  (or arXiv:2108.02580v1 [astro-ph.IM] for this version)
  https://doi.org/10.48550/arXiv.2108.02580
Journal reference: PoS(ICRC2021)759

Submission history

From: Sylvia Zhu [view email]
[v1] Thu, 5 Aug 2021 12:38:16 UTC (2,840 KB)
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