Weak Gravitational Lensing

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Potential Balloon Experiment: The High Altitude <strong>Lensing</strong> Observatory •15-20 day balloon mission •Fly Australia- Australia •400Mpix, 1.2m mirror •200+square degrees •Above 99% of atmosphere High systematics and programmatic risk DOME A?? Low systematics and programmatic risk
JDEM • NASA/DOE Joint Dark Energy Mission • Synthesis (??) of several concepts including SNAP, ADEPT, Destiny • Plans to do a 20,000 square degree weak lensing survey • Currently NIR only • 1.5m mirror • ~100M-150M pix • 2017 launch • $1-2B • Merger with European concept- International Dark Energy and Cosmology
Page 1 and 2: Weak Gravitational Lensing Jason Rh
Page 3 and 4: Weak Gravitational Lensing Weak len
Page 5 and 6: Why Not Space? • Single facility-
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: Noise From the Ground and Space Noi
Page 19 and 20: Final Questions •What aspects of

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