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

Sebastiano Cantalupo (), Fabrizio Arrigoni-Battaia, J. Xavier Prochaska, Joseph F. Hennawi and Piero Madau
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Sebastiano Cantalupo: University of California, 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
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

Nature, 2014, vol. 506, issue 7486, 63-66

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.

Date: 2014
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DOI: 10.1038/nature12898

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