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Astronomy · L4 · Gravitational lensing in practice: cluster mass mapping and time-delay cosmography · flowchart

Astronomy
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Background galaxy images:shapes and positionsStrong-lensing arcs &multiple images near the coreWeak-lensing shearacross the outskirtsJoint massreconstructionCompare to baryonic(X-ray gas) tracer?Evidence for collisionlessdark matter (e.g. Bullet Cluster)Offset found
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