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Recent Developments in Weak Lensing
Nick Kaiser, Gordon Squires, Greg Fahlman +2
Measurement of the gravitational distortion of images of distant galaxies is rapidly becoming established as a powerful probe of the dark mass distribution in clusters of galaxies.…
A Method for Weak Lensing Observations
Nick Kaiser, Gordon Squires, Tom Broadhurst
We develop and test a method for measuring the gravitational lensing induced distortion of faint background galaxies. We first describe how we locate the galaxies and measure a 2-c…
Mapping the Dark Matter in Clusters
Nick Kaiser, Gordon Squires, Greg Fahlman +1
Massive clusters of galaxies gravitationally shear the images of faint background galaxies. At large impact parameters the shear is weak, but can still be measured, to a reasonable…
Dark Matter in ms1224 from Distortion of Background Galaxies
G. G. Fahlman, Nick Kaiser, Gordon Squires +1
We explore the dark matter distribution in ms1224.7+2007 using the gravitational distortion of the images of faint background galaxies. Projected mass image reconstruction reveals…