Galaxies and Large Scale Structure at z~3

Details Galaxies and Large Scale Structure at z~3 Galaxies and Large Scale Structure at z~3

1998-04-23

arxiv.org/abs/astro-ph/9804237v1

Astronomy and Astrophysics

Astrophysics

To appear in ``The Young Universe'', eds. S. d'Odorico, A. Fontana, and E. Giallongo 1998, ASP Conference Series, 8 pages

Scientific paper

We summarize the status of a ``targeted'' redshift survey aimed at establishing the properties of galaxies and their large scale distribution in the redshift range 2.5 < z < 3.5. At the time of this writing, we have obtained spectra of more than 400 galaxies in this redshift range, all identified using the ``Lyman break'' color-selection technique. We present some of the first results on the general clustering properties of the Lyman break galaxies. The galaxies are very strongly clustered, with co-moving correlation length similar to present-day galaxies, and they are evidently strongly biased relative to the mass distribution at these early epochs, which is consistent with hierarchical galaxy formation models if Lyman break galaxies trace the most massive halos at z ~ 3. Prospects for large surveys for galaxies beyond z ~ 4 are discussed.

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