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An 800-million-solar-mass black hole in a significantly neutral Universe at a redshift of 7.5

Author

Listed:
  • Eduardo Bañados

    (The Observatories of the Carnegie Institution for Science)

  • Bram P. Venemans

    (Max Planck Institut für Astronomie)

  • Chiara Mazzucchelli

    (Max Planck Institut für Astronomie)

  • Emanuele P. Farina

    (Max Planck Institut für Astronomie)

  • Fabian Walter

    (Max Planck Institut für Astronomie)

  • Feige Wang

    (School of Physics, Peking University
    Kavli Institute for Astronomy and Astrophysics, Peking University)

  • Roberto Decarli

    (Max Planck Institut für Astronomie
    INAF—Osservatorio Astronomico di Bologna)

  • Daniel Stern

    (Jet Propulsion Laboratory, California Institute of Technology)

  • Xiaohui Fan

    (Steward Observatory, The University of Arizona)

  • Frederick B. Davies

    (Broida Hall, University of California)

  • Joseph F. Hennawi

    (Broida Hall, University of California)

  • Robert A. Simcoe

    (MIT-Kavli Center for Astrophysics and Space Research)

  • Monica L. Turner

    (MIT-Kavli Center for Astrophysics and Space Research
    Las Cumbres Observatory)

  • Hans-Walter Rix

    (Max Planck Institut für Astronomie)

  • Jinyi Yang

    (School of Physics, Peking University
    Kavli Institute for Astronomy and Astrophysics, Peking University)

  • Daniel D. Kelson

    (The Observatories of the Carnegie Institution for Science)

  • Gwen C. Rudie

    (The Observatories of the Carnegie Institution for Science)

  • Jan Martin Winters

    (Institut de Radioastronomie Millimétrique (IRAM))

Abstract

Observations of a quasar at redshift 7.54, when the Universe was just five per cent of its current age, suggest that the Universe was significantly neutral at this epoch.

Suggested Citation

  • Eduardo Bañados & Bram P. Venemans & Chiara Mazzucchelli & Emanuele P. Farina & Fabian Walter & Feige Wang & Roberto Decarli & Daniel Stern & Xiaohui Fan & Frederick B. Davies & Joseph F. Hennawi & Ro, 2018. "An 800-million-solar-mass black hole in a significantly neutral Universe at a redshift of 7.5," Nature, Nature, vol. 553(7689), pages 473-476, January.
    • Handle: RePEc:nat:nature:v:553:y:2018:i:7689:d:10.1038_nature25180
    DOI: 10.1038/nature25180
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