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A cosmic web filament revealed in Lyman-α emission around a luminous high-redshift quasar

Author

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  • Sebastiano Cantalupo

    (University of California, 1156 High Street, Santa Cruz, California 95064, USA
    University of California Observatories, Lick Observatory, 1156 High Street, Santa Cruz, California 95064, USA)

  • Fabrizio Arrigoni-Battaia

    (Max-Planck-Institut für Astronomie, Königstuhl 17, D-69117 Heidelberg, Germany)

  • J. Xavier Prochaska

    (University of California, 1156 High Street, Santa Cruz, California 95064, USA
    University of California Observatories, Lick Observatory, 1156 High Street, Santa Cruz, California 95064, USA
    Max-Planck-Institut für Astronomie, Königstuhl 17, D-69117 Heidelberg, Germany)

  • Joseph F. Hennawi

    (Max-Planck-Institut für Astronomie, Königstuhl 17, D-69117 Heidelberg, Germany)

  • Piero Madau

    (University of California, 1156 High Street, Santa Cruz, California 95064, USA)

Abstract

Observations of a cosmic web filament have been made in Lyman-α emission; the filament has a projected size of approximately 460 physical kiloparsecs, and its estimated cold gas mass is more than ten times larger than what is typically found in cosmological simulations.

Suggested Citation

  • Sebastiano Cantalupo & Fabrizio Arrigoni-Battaia & J. Xavier Prochaska & Joseph F. Hennawi & Piero Madau, 2014. "A cosmic web filament revealed in Lyman-α emission around a luminous high-redshift quasar," Nature, Nature, vol. 506(7486), pages 63-66, February.
    • Handle: RePEc:nat:nature:v:506:y:2014:i:7486:d:10.1038_nature12898
    DOI: 10.1038/nature12898
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