Weak Lensing With SNAP

Details Weak Lensing With SNAP Weak Lensing With SNAP

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...201.9708r&link_type=abstract

American Astronomical Society, 201st AAS Meeting, #97.08; Bulletin of the American Astronomical Society, Vol. 34, p.1265

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The SuperNova/Acceleration Probe will be an ideal instrument to probe cosmological parameters via weak lensing. Two surveys, a wide 300 square degree survey to AB=28 and a deep 15 square degree survey to AB=30.3 will be conducted in 6 optical and 3 near infrared filters. These surveys will provide a direct measure of the dark matter distribution on scales from arcseconds to degrees and will allow detailed maps to be made of the dark matter distribution at different epochs through the use of photometric redshifts. Constraints on the cosmological parameter Ω M and the cosmic equation of state w can be inferred from the power spectrum of the dark matter distribution. These constraints will help break degeneracies in the Ω M-w plane from SN measurements.

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