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The auroral footprint of Enceladus on Saturn

Author

Listed:
  • Wayne R. Pryor

    (Central Arizona College
    Space Environment Technologies)

  • Abigail M. Rymer

    (Applied Physics Laboratory, Johns Hopkins University)

  • Donald G. Mitchell

    (Applied Physics Laboratory, Johns Hopkins University)

  • Thomas W. Hill

    (Rice University)

  • David T. Young

    (Southwest Research Institute)

  • Joachim Saur

    (Institut für Geophysik und Meteorologie, Universität zu Köln)

  • Geraint H. Jones

    (Mullard Space Science Laboratory, University College London, Holmbury St Mary, Dorking
    The Centre for Planetary Sciences at University College London/Birkbeck)

  • Sven Jacobsen

    (Institut für Geophysik und Meteorologie, Universität zu Köln)

  • Stan W. H. Cowley

    (University of Leicester)

  • Barry H. Mauk

    (Applied Physics Laboratory, Johns Hopkins University)

  • Andrew J. Coates

    (Mullard Space Science Laboratory, University College London, Holmbury St Mary, Dorking)

  • Jacques Gustin

    (Laboratoire de Physique Atmosphérique et Planétaire, Géophysique et Océanographie, Université de Liège)

  • Denis Grodent

    (Laboratoire de Physique Atmosphérique et Planétaire, Géophysique et Océanographie, Université de Liège)

  • Jean-Claude Gérard

    (Laboratoire de Physique Atmosphérique et Planétaire, Géophysique et Océanographie, Université de Liège)

  • Laurent Lamy

    (Laboratoire d’Etudes Spatiales et d’Instrumentation en Astrophysique, Observatoire de Paris, Centre National de la Recherche Scientifique, Université Pierre et Marie Curie, Université Paris Diderot)

  • Jonathan D. Nichols

    (University of Leicester)

  • Stamatios M. Krimigis

    (Applied Physics Laboratory, Johns Hopkins University
    Academy of Athens, Soranou Efesiou 4)

  • Larry W. Esposito

    (Laboratory for Atmospheric and Space Physics, University of Colorado)

  • Michele K. Dougherty

    (Space and Atmospheric Physics, The Blackett Laboratory, Imperial College)

  • Alain J. Jouchoux

    (Laboratory for Atmospheric and Space Physics, University of Colorado)

  • A. Ian F. Stewart

    (Laboratory for Atmospheric and Space Physics, University of Colorado)

  • William E. McClintock

    (Laboratory for Atmospheric and Space Physics, University of Colorado)

  • Gregory M. Holsclaw

    (Laboratory for Atmospheric and Space Physics, University of Colorado)

  • Joseph M. Ajello

    (Jet Propulsion Laboratory)

  • Joshua E. Colwell

    (University of Central Florida)

  • Amanda R. Hendrix

    (Jet Propulsion Laboratory)

  • Frank J. Crary

    (Southwest Research Institute)

  • John T. Clarke

    (Boston University)

  • Xiaoyan Zhou

    (Jet Propulsion Laboratory)

Abstract

Enceladus makes its mark on Saturn Despite considerable differences between the magnetospheres of Saturn and Jupiter, cryovolcanic activity on Saturn's icy moon Enceladus was suspected to connect the moon to Saturn in a similar way to the electrodynamic coupling seen between Jupiter and its Galilean moons. This suspicion has been confirmed. Analysis of data collected during a Cassini fly-by within 55 kilometres of Enceladus in August 2008 reveals magnetic field-aligned ion and electron beam emissions from Enceladus with sufficient power to stimulate detectable aurora. Subsequent observations with the Cassini ultraviolet imaging spectrometer system detected the expected Enceladus auroral footprint in Saturn's atmosphere.

Suggested Citation

  • Wayne R. Pryor & Abigail M. Rymer & Donald G. Mitchell & Thomas W. Hill & David T. Young & Joachim Saur & Geraint H. Jones & Sven Jacobsen & Stan W. H. Cowley & Barry H. Mauk & Andrew J. Coates & Jacq, 2011. "The auroral footprint of Enceladus on Saturn," Nature, Nature, vol. 472(7343), pages 331-333, April.
    • Handle: RePEc:nat:nature:v:472:y:2011:i:7343:d:10.1038_nature09928
    DOI: 10.1038/nature09928
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