Measuring our Universe from Galaxy Redshift Surveys

Ofer Lahav  
Department of Physics and Astronomy
University of London
Gower Street
London WC1E 6BT, U.K.
Institute of Astronomy
University of Cambridge
Madingley Road
Cambridge CB3 0HA, U.K.

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Yasushi Suto  
Department of Physics
Research Center for the Early Universe
The University of Tokyo
Tokyo 113-0033, Japan

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Galaxy redshift surveys have achieved significant progress over the last couple of decades. Those surveys tell us in the most straightforward way what our local Universe looks like. While the galaxy distribution traces the bright side of the Universe, detailed quantitative analyses of the data have even revealed the dark side of the Universe dominated by non-baryonic dark matter as well as more mysterious dark energy (or Einstein’s cosmological constant). We describe several methodologies of using galaxy redshift surveys as cosmological probes, and then summarize the recent results from the existing surveys. Finally we present our views on the future of redshift surveys in the era of precision cosmology.

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