Quantifying the Cosmic Web in the New Era of Redshift Surveys

Details Quantifying the Cosmic Web in the New Era of Redshift Surveys Quantifying the Cosmic Web in the New Era of Redshift Surveys

2004-11-03

arxiv.org/abs/astro-ph/0411090v1

Astronomy and Astrophysics

Astrophysics

8 pages, 2 figures, invited talk, to appear in the proceedings of 'Nearby Large-Scale Structures and the Zone of Avoidance', e

Scientific paper

Two main strategies have been implemented in mapping the local universe: whole-sky 'shallow' surveys and 'deep' surveys over limited parts of the sky. The two approaches complement each other in studying cosmography and statistical properties of the Universe. We summarise some results on the power spectrum of fluctuations and Wiener reconstruction of the density field from the 2dF Galaxy Redshift Survey (2dFGRS) of 230,000 redshifts. We then discuss future challenges in quantifying the web of cosmic structure in the on-going redshift surveys.

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