Cosmology with 3-D Gravitational Lensing

Details Cosmology with 3-D Gravitational Lensing Cosmology with 3-D Gravitational Lensing

Jun 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005iaus..225...63t&link_type=abstract

Gravitational Lensing Impact on Cosmology, IAU Symposium, vol. 225. Edited by Yannick Mellier and Georges Meylan, ISBN 052185196

Physics

1

Scientific paper

Weak gravitational lensing can be combined with distance information from galaxy redshifts to great effect in 3-D weak lensing. With both shear and redshift information I show how the full 3-D dark matter distribution can be reconstructed and present a first application to the COMBO-17 data-set. In addition, I describe the Jain-Taylor geometric test, taking ratios of galaxy shear at different distances, as a probe of the dark energy in the universe and present a preliminary application to COMBO-17.

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