Redshift clustering in the hubble deep field

Judith G. Cohen, Lennox L. Cowie, David W. Hogg, Antoinette Songaila, Roger Biandford, M. H.U. Esther, Patrick Shopbell

    Research output: Contribution to journalArticlepeer-review


    We present initial results from a redshift survey carried out with the low-resolution imaging spectrograph on the 10 m W. M. Keck Telescope in the Hubble Deep Field. In the redshift distribution of the 140 extragalactic objects in this sample, we find six strong peaks with velocity dispersions of ∼400 km s-1. The areal density of objects within a particular peak, while it may be nonuniform, does not show evidence for strong central concentration. These peaks have characteristics (velocity dispersions, density enhancements, spacing, and spatial extent) similar to those seen in a comparable redshift survey in a different high Galactic latitude field (Cohen and coworkers), confirming that the structures are generic. They are probably the high-redshift counterparts of huge galaxy structures ("walls") observed locally.

    Original languageEnglish (US)
    Pages (from-to)L5-L9
    JournalAstrophysical Journal
    Issue number1 PART II
    StatePublished - 1996


    • Cosmology: Observations -galaxies: Distances and redshifts
    • Large-scale structure of universe

    ASJC Scopus subject areas

    • Astronomy and Astrophysics
    • Space and Planetary Science


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