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Weak Lensing Results from the 75 Square Degree CTIO Survey
M. Jarvis, G. Bernstein, B. Jain +4
We measure seeing-corrected ellipticities for 2 x 10^6 galaxies with magnitude R<23 in 12 widely separated fields totalling 75 deg^2 of sky. At angular scales >30\arcmin, elliptici…
The Deep Lens Survey
D. Wittman, J. A. Tyson, I. P. Dell'Antonio +19
The Deep Lens Survey (DLS) is a deep BVRz' imaging survey of seven 2x2 degree fields, with all data to be made public. The primary scientific driver is weak gravitational lensing,…
Weak Lensing Discovery and Tomography of a Cluster at z=0.68
D. Wittman, V. E. Margoniner, J. A. Tyson +3
We report the weak lensing discovery, spectroscopic confirmation, and weak lensing tomography of a massive cluster of galaxies at , demonstrating that shear selection of cl…
LSST: a Complementary Probe of Dark Energy
J. A. Tyson, D. M. Wittman, J. F. Hennawi +1
The number of mass clusters and their distribution in redshift are very sensitive to the density of matter Omega_m and the equation of state of dark energy w. Using weak lens gravi…