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Performance of HESS-II in multi-telescope mode with a multi-variate analysis
Ecole Polytechnique.ORCID iD: 0000-0002-2115-2930
Univ Paris Diderot, APC, AstroParticule & Cosmology, CNRS,IN2P3,CEA,Irfu, Observ Paris,Sorbonne Paris C, 10 Rue Alice Domon & Leonie Duquet, F-75205 Paris 13, France.ORCID iD: 0000-0002-4710-2165
2012 (English)In: High energy gamma-ray astronomy, American Institute of Physics (AIP), 2012, p. 741-744Conference paper, Published paper (Refereed)
Abstract [en]

The second phase of H. E. S. S. is being commissioned and will start physics data-taking in Autumn 2012. The 4-telescope configuration is now enriched with a new very-large Cherenkov telescope (VLCT) at the centre of the array. The similar to 600m(2) mirror area and high-resolution camera of the VLCT will permit to lower the energy threshold to about 30GeV in the single-telescope mode, opening a new observational window to a large number of new high-energy phenomena. Adding the VLCT also enhances the detection sensitivity in the multi-telescope mode. The performance in this latter data-taking mode of HESS-II with the advanced analysis procedure called Paris-MVA has been studied in order to understand the achievable low-energy sensitivity and preliminary results are shown here. The Monte Carlo (MC) simulations, the gamma-ray reconstruction procedures and the analysis strategy used to obtain the resulting improvement in sensitivity by adding the VLCT - of about a factor of similar to 2 at low energy - will be discussed.

Place, publisher, year, edition, pages
American Institute of Physics (AIP), 2012. p. 741-744
Series
AIP Conference Proceedings, ISSN 0094-243X ; 1505
Keywords [en]
Imaging Atmospheric Cherenkov Telescopes, gamma-ray astronomy, multi-variate analysis
National Category
Astronomy, Astrophysics and Cosmology
Research subject
Physics, Astroparticle Physics
Identifiers
URN: urn:nbn:se:lnu:diva-30230DOI: 10.1063/1.4772366ISI: 000312503500153ISBN: 978-0-7354-1123-4 (print)OAI: oai:DiVA.org:lnu-30230DiVA, id: diva2:663245
Conference
5th International Meeting on High Energy Gamma-Ray Astronomy, JUL 09-13, 2012, Heidelberg, GERMANY
Available from: 2013-11-11 Created: 2013-11-08 Last updated: 2017-03-27Bibliographically approved

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Becherini, YvonnePunch, Michael

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CiteExportLink to record
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Citation style
  • apa
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  • Other locale
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Output format
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  • asciidoc
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