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A giant protogalactic disk linked to the cosmic web

Author

Listed:
  • D. Christopher Martin

    (Cahill Center for Astrophysics, California Institute of Technology)

  • Mateusz Matuszewski

    (Cahill Center for Astrophysics, California Institute of Technology)

  • Patrick Morrissey

    (Cahill Center for Astrophysics, California Institute of Technology)

  • James D. Neill

    (Cahill Center for Astrophysics, California Institute of Technology)

  • Anna Moore

    (Caltech Optical Observatories, Cahill Center for Astrophysics, California Institute of Technology)

  • Sebastiano Cantalupo

    (ETH Zurich, Institute for Astronomy)

  • J. Xavier Prochaska

    (University of California
    University of California Observatories, Lick Observatory)

  • Daphne Chang

Abstract

A two-dimensional spectroscopic investigation of a large, luminous filament of the cosmic web near QSO UM287 reveals that the brightest emission region is an extended rotating hydrogen disk with a velocity profile that is characteristic of gas in a 1013-solar-mass dark-matter halo, with a geometry that is strongly suggestive of cold flow accretion.

Suggested Citation

  • D. Christopher Martin & Mateusz Matuszewski & Patrick Morrissey & James D. Neill & Anna Moore & Sebastiano Cantalupo & J. Xavier Prochaska & Daphne Chang, 2015. "A giant protogalactic disk linked to the cosmic web," Nature, Nature, vol. 524(7564), pages 192-195, August.
    • Handle: RePEc:nat:nature:v:524:y:2015:i:7564:d:10.1038_nature14616
    DOI: 10.1038/nature14616
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