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Asymmetric Beams in Cosmic Microwave Background Anisotropy Experiments

Abstract:

We propose a new formalism to handle asymmetric beams in the data analysis of cosmic microwave background anisotropy experiments. For any beam shape, the formalism finds the optimal circularly symmetric equivalent and is thus easily adaptable to existing data analysis methods. We demonstrate certain key points by using a simulated highly elliptic beam, and the beams and data of the MAXIMA-1 experiment, where the asymmetry is mild. In particular, we show that in both cases the formalism does n...

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Publisher copy:
10.1086/318947

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Journal:
Astrophys.J.Suppl. More from this journal
Volume:
132
Pages:
1-17
Publication date:
2000-07-14
DOI:
Keywords:
Pubs id:
pubs:208074
UUID:
uuid:e8e9b972-72b9-4821-bb21-161f2b8aaeab
Local pid:
pubs:208074
Source identifiers:
208074
Deposit date:
2012-12-19

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