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The Cosmic Background Imager 2

Abstract:

We describe an upgrade to the Cosmic Background Imager instrument to increase its surface brightness sensitivity at small angular scales. The upgrade consisted of replacing the 13 0.9-m antennas with 1.4-m antennas incorporating a novel combination of design features, which provided excellent sidelobe and spillover performance for low manufacturing cost. Off-the-shelf spun primaries were used, and the secondary mirrors were oversized and shaped relative to a standard Cassegrain in order to pr...

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Publication status:
Published

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Publisher copy:
10.1111/j.1365-2966.2011.19661.x

Authors

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
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Journal:
Monthly Notices of the Royal Astronomical Society More from this journal
Volume:
418
Issue:
4
Pages:
2720-2729
Publication date:
2011-12-01
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Keywords:
Pubs id:
pubs:221461
UUID:
uuid:d2a20d51-0779-4b79-b57c-52bc137f3db8
Local pid:
pubs:221461
Source identifiers:
221461
Deposit date:
2012-12-19

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