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Discovery of very-high-energy γ-rays from the Galactic Centre ridge

Author

Listed:
  • F. Aharonian

    (Max-Planck Institut für Kernphysik)

  • A. G. Akhperjanian

    (Yerevan Physics Institute)

  • A. R. Bazer-Bachi

    (CNRS/UPS)

  • M. Beilicke

    (Universität Hamburg)

  • W. Benbow

    (Max-Planck Institut für Kernphysik)

  • D. Berge

    (Max-Planck Institut für Kernphysik)

  • K. Bernlöhr

    (Max-Planck Institut für Kernphysik
    Humboldt-Universität zu Berlin)

  • C. Boisson

    (Section de Meudon)

  • O. Bolz

    (Max-Planck Institut für Kernphysik)

  • V. Borrel

    (CNRS/UPS)

  • I. Braun

    (Max-Planck Institut für Kernphysik)

  • F. Breitling

    (Humboldt-Universität zu Berlin)

  • A. M. Brown

    (University of Durham)

  • P. M. Chadwick

    (University of Durham)

  • L.-M. Chounet

    (IN2P3/CNRS, Ecole Polytechnique)

  • R. Cornils

    (Universität Hamburg)

  • L. Costamante

    (Max-Planck Institut für Kernphysik
    European Associated Laboratory for Gamma-Ray Astronomy)

  • B. Degrange

    (IN2P3/CNRS, Ecole Polytechnique)

  • H. J. Dickinson

    (University of Durham)

  • A. Djannati-Ataï

    (APC
    Université Paris VII, CEA, Observatoire de Paris)

  • L. O'C. Drury

    (Dublin Institute for Advanced Studies)

  • G. Dubus

    (IN2P3/CNRS, Ecole Polytechnique)

  • D. Emmanoulopoulos

    (Landessternwarte, Königstuhl)

  • P. Espigat

    (APC
    Université Paris VII, CEA, Observatoire de Paris)

  • F. Feinstein

    (IN2P3/CNRS, Université Montpellier II)

  • G. Fontaine

    (IN2P3/CNRS, Ecole Polytechnique)

  • Y. Fuchs

    (Université Joseph Fourier)

  • S. Funk

    (Max-Planck Institut für Kernphysik)

  • Y. A. Gallant

    (IN2P3/CNRS, Université Montpellier II)

  • B. Giebels

    (IN2P3/CNRS, Ecole Polytechnique)

  • S. Gillessen

    (Max-Planck Institut für Kernphysik)

  • J. F. Glicenstein

    (DAPNIA/DSM/CEA, CE Saclay)

  • P. Goret

    (DAPNIA/DSM/CEA, CE Saclay)

  • C. Hadjichristidis

    (University of Durham)

  • D. Hauser

    (Max-Planck Institut für Kernphysik)

  • M. Hauser

    (Landessternwarte, Königstuhl)

  • G. Heinzelmann

    (Universität Hamburg)

  • G. Henri

    (Université Joseph Fourier)

  • G. Hermann

    (Max-Planck Institut für Kernphysik)

  • J. A. Hinton

    (Max-Planck Institut für Kernphysik)

  • W. Hofmann

    (Max-Planck Institut für Kernphysik)

  • M. Holleran

    (North-West University)

  • D. Horns

    (Max-Planck Institut für Kernphysik)

  • A. Jacholkowska

    (IN2P3/CNRS, Université Montpellier II)

  • O. C. de Jager

    (North-West University)

  • B. Khélifi

    (Max-Planck Institut für Kernphysik)

  • S. Klages

    (Max-Planck Institut für Kernphysik)

  • Nu. Komin

    (Humboldt-Universität zu Berlin)

  • A. Konopelko

    (Humboldt-Universität zu Berlin)

  • I. J. Latham

    (University of Durham)

  • R. Le Gallou

    (University of Durham)

  • A. Lemière

    (APC
    Université Paris VII, CEA, Observatoire de Paris)

  • M. Lemoine-Goumard

    (IN2P3/CNRS, Ecole Polytechnique)

  • N. Leroy

    (IN2P3/CNRS, Ecole Polytechnique)

  • T. Lohse

    (Humboldt-Universität zu Berlin)

  • A. Marcowith

    (CNRS/UPS)

  • J. M. Martin

    (Section de Meudon)

  • O. Martineau-Huynh

    (Universités Paris VI & VII)

  • C. Masterson

    (Max-Planck Institut für Kernphysik
    European Associated Laboratory for Gamma-Ray Astronomy)

  • T. J. L. McComb

    (University of Durham)

  • M. de Naurois

    (Universités Paris VI & VII)

  • S. J. Nolan

    (University of Durham)

  • A. Noutsos

    (University of Durham)

  • K. J. Orford

    (University of Durham)

  • J. L. Osborne

    (University of Durham)

  • M. Ouchrif

    (Universités Paris VI & VII
    European Associated Laboratory for Gamma-Ray Astronomy)

  • M. Panter

    (Max-Planck Institut für Kernphysik)

  • G. Pelletier

    (Université Joseph Fourier)

  • S. Pita

    (APC
    Université Paris VII, CEA, Observatoire de Paris)

  • G. Pühlhofer

    (Landessternwarte, Königstuhl)

  • M. Punch

    (APC
    Université Paris VII, CEA, Observatoire de Paris)

  • B. C. Raubenheimer

    (North-West University)

  • M. Raue

    (Universität Hamburg)

  • J. Raux

    (Universités Paris VI & VII)

  • S. M. Rayner

    (University of Durham)

  • A. Reimer

    (Lehrstuhl IV: Weltraum und Astrophysik, Ruhr-Universität Bochum)

  • O. Reimer

    (Lehrstuhl IV: Weltraum und Astrophysik, Ruhr-Universität Bochum)

  • J. Ripken

    (Universität Hamburg)

  • L. Rob

    (Charles University)

  • L. Rolland

    (Universités Paris VI & VII)

  • G. Rowell

    (Max-Planck Institut für Kernphysik)

  • V. Sahakian

    (Yerevan Physics Institute)

  • L. Saugé

    (Université Joseph Fourier)

  • S. Schlenker

    (Humboldt-Universität zu Berlin)

  • R. Schlickeiser

    (Lehrstuhl IV: Weltraum und Astrophysik, Ruhr-Universität Bochum)

  • C. Schuster

    (Lehrstuhl IV: Weltraum und Astrophysik, Ruhr-Universität Bochum)

  • U. Schwanke

    (Humboldt-Universität zu Berlin)

  • M. Siewert

    (Lehrstuhl IV: Weltraum und Astrophysik, Ruhr-Universität Bochum)

  • H. Sol

    (Section de Meudon)

  • D. Spangler

    (University of Durham)

  • R. Steenkamp

    (University of Namibia)

  • C. Stegmann

    (Humboldt-Universität zu Berlin)

  • J.-P. Tavernet

    (Universités Paris VI & VII)

  • R. Terrier

    (APC
    Université Paris VII, CEA, Observatoire de Paris)

  • C. G. Théoret

    (APC
    Université Paris VII, CEA, Observatoire de Paris)

  • M. Tluczykont

    (IN2P3/CNRS, Ecole Polytechnique
    European Associated Laboratory for Gamma-Ray Astronomy)

  • C. van Eldik

    (Max-Planck Institut für Kernphysik)

  • G. Vasileiadis

    (IN2P3/CNRS, Université Montpellier II)

  • C. Venter

    (North-West University)

  • P. Vincent

    (Universités Paris VI & VII)

  • H. J. Völk

    (Max-Planck Institut für Kernphysik)

  • S. J. Wagner

    (Landessternwarte, Königstuhl)

Abstract

Central issues Events at the centre of our Galaxy are key to our understanding of high-energy processes in the Universe, since it contains examples of virtually every type of exotic object known to astronomers. The very-high-energy γ-ray emission from the Galactic Centre region has now been measured using HESS, the High Energy Stereoscopic System recently constructed in Namibia, South West Africa. HESS operates at energies above the regime accessible to satellite-based detectors, taking γ-ray astronomy into new territory. The results show that these clouds are glowing in very high energy γ-rays. The glow is caused by constant bombardment of the clouds by cosmic rays — probably protons and nuclei — produced close to the central black hole or in the expanding blast waves of supernova explosions.

Suggested Citation

  • F. Aharonian & A. G. Akhperjanian & A. R. Bazer-Bachi & M. Beilicke & W. Benbow & D. Berge & K. Bernlöhr & C. Boisson & O. Bolz & V. Borrel & I. Braun & F. Breitling & A. M. Brown & P. M. Chadwick & L, 2006. "Discovery of very-high-energy γ-rays from the Galactic Centre ridge," Nature, Nature, vol. 439(7077), pages 695-698, February.
    • Handle: RePEc:nat:nature:v:439:y:2006:i:7077:d:10.1038_nature04467
    DOI: 10.1038/nature04467
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    Cited by:

    1. Xiaoyuan Huang & Qiang Yuan & Yi-Zhong Fan, 2021. "A GeV-TeV particle component and the barrier of cosmic-ray sea in the Central Molecular Zone," Nature Communications, Nature, vol. 12(1), pages 1-7, December.

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