The camera of the fifth H.E.S.S. telescope. Part I: System description

J. Bolmont (1) , P. Corona (1) , Philippe Gauron (1) , P. Ghislain (1) , C. Goffin (1) , L. Guevara Riveros (1) , J. -F. Huppert (1) , O. Martineau-Huynh (1) , P. Nayman (1) , J. -M. Parraud (1) , J. -P. Tavernet (1) , F. Toussenel (1) , D. Vincent (1) , P. Vincent (1) , W. Bertoli (2) , P. Espigat (2) , M. Punch (2) , D. Besin (3) , E. Delagnes (3) , J. -F. Glicenstein (3) , Y. Moudden (3) , P. Venault (3) , H. Zaghia (3) , L. Brunetti (4) , J-M. Dubois (4) , A. Fiasson (4) , N. Geffroy (4) , I. Gomes Monteiro (4) , L. Journet (4) , F. Krayzel (4) , G. Lamanna (4) , T. Le Flour (4) , S. Rosier Lees (4, 5) , B. Lieunard (4) , G. Maurin (4) , P. Mugnier (4) , J-L. Panazol (4) , J. Prast (4) , L. -M. Chounet (5) , E. Edy (5) , G. Fontaine (5) , B. Giebels (5) , S. Hormigos (5) , B. Khélifi (5) , P. Manigot (5) , P. Maritaz (5) , M. de Naurois (5) , M. Compin (6) , F. Feinstein (6) , D. Fernandez (6) , J. Mehault (6) , S. Rivoire (6) , S. Royer (6) , M. Sanguillon (6) , George Vasileiadis (6)

1 LPNHE - Laboratoire de Physique Nucléaire et de Hautes Énergies
2 APC (UMR_7164) - AstroParticule et Cosmologie
3 IRFU - Institut de Recherches sur les lois Fondamentales de l'Univers
4 LAPP - Laboratoire d'Annecy de Physique des Particules
5 LLR - Laboratoire Leprince-Ringuet
6 LUPM - Laboratoire Univers et Particules de Montpellier

In July 2012, as the four ground-based gamma-ray telescopes of the H.E.S.S. (High Energy Stereoscopic System) array reached their tenth year of operation in Khomas Highlands, Namibia, a fifth telescope took its first data as part of the system. This new Cherenkov detector, comprising a 614.5 m$^2$ reflector with a highly pixellized camera in its focal plane, improves the sensitivity of the current array by a factor two and extends its energy domain down to a few tens of GeV. The present part I of the paper gives a detailed description of the fifth H.E.S.S. telescope's camera, presenting the details of both the hardware and the software, emphasizing the main improvements as compared to previous H.E.S.S. camera technology.

Domaines: Instrumentation et méthodes pour l'astrophysique [astro-ph.IM]; Instrumentation et méthodes pour l'astrophysique [astro-ph.IM]; Instrumentations et Détecteurs [physics.ins-det]; Astrophysique [astro-ph]

J. Bolmont, P. Corona, Philippe Gauron, P. Ghislain, C. Goffin, et al.. The camera of the fifth H.E.S.S. telescope. Part I: System description. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2014, 761, pp.46-57. ⟨10.1016/j.nima.2014.05.093⟩. ⟨in2p3-00907640⟩