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Lensing simulation and power spectrum estimation for high-resolution CMB polarization maps

Abstract:

We present efficient algorithms for cosmic microwave background (CMB) lensing simulation and power spectrum estimation for flat-sky CMB polarization maps. We build a pure B-mode estimator to remedy E to B leakage due to partial sky coverage. We show that our estimators are unbiased, and consistent with the projected errors. We demonstrate our algorithm using simulated observations of small sky patches with realistic noise and weights for upcoming CMB polarization experiments. © 2013 The Autho...

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Publication status:
Published

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Publisher copy:
10.1093/mnras/stt1421

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Role:
Author
Journal:
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume:
435
Issue:
3
Pages:
2040-2047
Publication date:
2013-11-05
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:a8580a10-c05a-43b7-a9a6-8d1d003fd222
Source identifiers:
436690
Local pid:
pubs:436690
Language:
English
Keywords:

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