Dark Energy Constraints from Lensing Tomography with LSST

Details Dark Energy Constraints from Lensing Tomography with LSST Dark Energy Constraints from Lensing Tomography with LSST

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...20510816t&link_type=abstract

American Astronomical Society Meeting 205, #108.16; Bulletin of the American Astronomical Society, Vol. 36, p.1530

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Scientific paper

We estimate the dark energy constraints achievable with a weak lensing survey that could be carried out with the Large Synoptic Survey Telescope. The technique used in our forecasts is lensing tomography with the auto and cross power spectra of the lensing shear. The power spectra depend on the growth function and angular diameter distances, which are both sensitive to the equation of state of dark energy. We include the effect of statistical and some systematic errors in our parameter forecasts for LSST. We identify the limiting systematics in being able to achieve the precision possible with a survey that covers a large fraction of the sky. In this study we use only the simplest lensing statistics; the constraints can be improved by using other complementary measures from the same dataset.

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