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A uniform metal distribution in the intergalactic medium of the Perseus cluster of galaxies

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  • Norbert Werner

    (Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, California 94305-4085, USA
    Stanford University, 382 Via Pueblo Mall, Stanford, California 94305-4060, USA)

  • Ondrej Urban

    (Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, California 94305-4085, USA
    Stanford University, 382 Via Pueblo Mall, Stanford, California 94305-4060, USA
    SLAC National Accelerator Laboratory, 2575 Sand Hill Road)

  • Aurora Simionescu

    (Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, California 94305-4085, USA
    Stanford University, 382 Via Pueblo Mall, Stanford, California 94305-4060, USA
    Institute of Space and Astronautical Science (ISAS), JAXA, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa 252-5210, Japan)

  • Steven W. Allen

    (Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, California 94305-4085, USA
    Stanford University, 382 Via Pueblo Mall, Stanford, California 94305-4060, USA
    SLAC National Accelerator Laboratory, 2575 Sand Hill Road)

Abstract

A uniform iron abundance in the intracluster gas of the Perseus cluster suggests that the metal enrichment of the intergalactic medium occurred before the cluster formed, probably more than ten billion years ago, rather than after the cluster formed.

Suggested Citation

  • Norbert Werner & Ondrej Urban & Aurora Simionescu & Steven W. Allen, 2013. "A uniform metal distribution in the intergalactic medium of the Perseus cluster of galaxies," Nature, Nature, vol. 502(7473), pages 656-658, October.
    • Handle: RePEc:nat:nature:v:502:y:2013:i:7473:d:10.1038_nature12646
    DOI: 10.1038/nature12646
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