Calibration biases in measurements of weak lensing
As recently shown by Viola et al., the common (KSB) method for measuring weak gravitational shear creates a non-linear relation between the measured and the true shear of objects. We investigate here what effect such a non-linear calibration relation may have on cosmological parameter estimates from...
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| Main Authors: | , , , |
|---|---|
| Format: | Article (Journal) Chapter/Article |
| Language: | English |
| Published: |
30 Mar 2011
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| In: |
Arxiv
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| Online Access: | Verlag, kostenfrei, Volltext: http://arxiv.org/abs/1103.5923
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| Author Notes: | Matthias Bartelmann, Massimo Viola, Peter Melchior, Björn M. Schäfer |
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