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Abundant molecular oxygen in the coma of comet 67P/Churyumov–Gerasimenko

Author

Listed:
  • A. Bieler

    (University of Michigan
    Physikalisches Institut, University of Bern)

  • K. Altwegg

    (Physikalisches Institut, University of Bern
    Center for Space and Habitability, University of Bern)

  • H. Balsiger

    (Physikalisches Institut, University of Bern)

  • A. Bar-Nun

    (Tel-Aviv University)

  • J.-J. Berthelier

    (LATMOS/IPSL-CNRS-UPMC-UVSQ)

  • P. Bochsler

    (Physikalisches Institut, University of Bern)

  • C. Briois

    (Laboratoire de Physique et Chimie de l’Environnement et de l’Espace (LPC2E), UMR 6115 CNRS – Université d’Orléans)

  • U. Calmonte

    (Physikalisches Institut, University of Bern)

  • M. Combi

    (University of Michigan)

  • J. De Keyser

    (Belgian Institute for Space Aeronomy, BIRA-IASB)

  • E. F. van Dishoeck

    (Leiden Observatory, Leiden University)

  • B. Fiethe

    (Institute of Computer and Network Engineering (IDA), TU Braunschweig)

  • S. A. Fuselier

    (Southwest Research Institute)

  • S. Gasc

    (Physikalisches Institut, University of Bern)

  • T. I. Gombosi

    (University of Michigan)

  • K. C. Hansen

    (University of Michigan)

  • M. Hässig

    (Physikalisches Institut, University of Bern
    Southwest Research Institute)

  • A. Jäckel

    (Physikalisches Institut, University of Bern)

  • E. Kopp

    (Physikalisches Institut, University of Bern)

  • A. Korth

    (Max-Planck-Institut für Sonnensystemforschung)

  • L. Le Roy

    (Center for Space and Habitability, University of Bern)

  • U. Mall

    (Max-Planck-Institut für Sonnensystemforschung)

  • R. Maggiolo

    (Belgian Institute for Space Aeronomy, BIRA-IASB)

  • B. Marty

    (Centre de Recherches Pétrographiques et Géochimiques, CRPG-CNRS, Université de Lorraine)

  • O. Mousis

    (Aix Marseille Université, CNRS, LAM (Laboratoire d’Astrophysique de Marseille) UMR 7326)

  • T. Owen

    (Institute for Astronomy, University of Hawaii)

  • H. Rème

    (Université de Toulouse–UPS-OMP–IRAP
    CNRS–IRAP)

  • M. Rubin

    (Physikalisches Institut, University of Bern)

  • T. Sémon

    (Physikalisches Institut, University of Bern)

  • C.-Y. Tzou

    (Physikalisches Institut, University of Bern)

  • J. H. Waite

    (Southwest Research Institute)

  • C. Walsh

    (Leiden Observatory, Leiden University)

  • P. Wurz

    (Physikalisches Institut, University of Bern
    Center for Space and Habitability, University of Bern)

Abstract

In situ measurement of O2 in the coma of comet 67P/Churyumov–Gerasimenko shows local abundances ranging from one per cent to ten per cent relative to H2O; the spatial and temporal uniformity of the O2/H2O ratio suggests that primordial O2 was incorporated into the nucleus during the comet’s formation.

Suggested Citation

  • A. Bieler & K. Altwegg & H. Balsiger & A. Bar-Nun & J.-J. Berthelier & P. Bochsler & C. Briois & U. Calmonte & M. Combi & J. De Keyser & E. F. van Dishoeck & B. Fiethe & S. A. Fuselier & S. Gasc & T. , 2015. "Abundant molecular oxygen in the coma of comet 67P/Churyumov–Gerasimenko," Nature, Nature, vol. 526(7575), pages 678-681, October.
    • Handle: RePEc:nat:nature:v:526:y:2015:i:7575:d:10.1038_nature15707
    DOI: 10.1038/nature15707
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