Weak Gravitational Lensing

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Why Space?

•Size of PSF

•Stability of PSF

•Better shape measurements

•Lower shape systematics

•Higher surface density of resolved galaxies

The Hard X-ray Modulation Telescope Mission

Project FAST- Five hundred meter Aperture Spherical radio Telescope

Thomson Scattering Effect on Broad Line Radio Galaxy OQ208

Compact Integrated Receivers Using MMIC Technology

Why Space? •Size of PSF •Stability of PSF •Better shape measurements •Lower shape systematics •Higher surface density of resolved galaxies

Why Not Space? • Single facility- time is expensive! • Small field of view — 10 square arcminutes for ACS (similar for WFC3) —Of order 1 degree from the ground • Some systematics hard to address (e.g. CTE) • Expensive to even THINK about new instruments

Page 1 and 2: Weak Gravitational Lensing Jason Rh
Page 3: Weak Gravitational Lensing Weak len
Page 7 and 8: Bullet Cluster Purple is dark matte
Page 9 and 10: Abel 901/902Supercluster •Weak le
Page 11 and 12: 3-D dark matter distribution z=0.7
Page 13 and 14: Shear-Shear Comparison : All Matche
Page 15 and 16: Noise From the Ground and Space Noi
Page 17 and 18: JDEM • NASA/DOE Joint Dark Energy
Page 19 and 20: Final Questions •What aspects of

Weak Gravitational Lensing

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