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

Norbert Werner (), Ondrej Urban, Aurora Simionescu and Steven W. Allen
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Norbert Werner: Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, California 94305-4085, USA
Ondrej Urban: Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, California 94305-4085, USA
Aurora Simionescu: Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, California 94305-4085, USA
Steven W. Allen: Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, California 94305-4085, USA

Nature, 2013, vol. 502, issue 7473, 656-658

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.

Date: 2013
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DOI: 10.1038/nature12646

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