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The 2dF Galaxy Redshift Survey: Wiener Reconstruction of the Cosmic Web
Pirin Erdogdu, Ofer Lahav, Saleem Zaroubi +27
We reconstruct the underlying density field of the 2 degree Field Galaxy Redshift Survey (2dFGRS) for the redshift range 0.035<z<0.200 using the Wiener Filtering method. The Wiener…
ANNz: estimating photometric redshifts using artificial neural networks
Adrian A. Collister, Ofer Lahav
We introduce ANNz, a freely available software package for photometric redshift estimation using Artificial Neural Networks. ANNz learns the relation between photometry and redshif…
The 2dF Galaxy Redshift Survey: Final Data Release
Matthew Colless, Bruce A. Peterson, Carole Jackson +25
The 2dF Galaxy Redshift Survey (2dFGRS) has obtained spectra for 245591 sources, mainly galaxies, brighter than a nominal extinction-corrected magnitude limit of b_J=19.45. Reliabl…
Precision Cosmology? Not Just Yet
Sarah L. Bridle, Ofer Lahav, Jeremiah P. Ostriker +1
The recent announcement from the Wilkinson Microwave Anisotropy Probe (WMAP) satellite experiment combined with other recent advances in observational cosmology verifies key compon…