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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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Authors


Taylor, AC More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Allison, JR More by this author
Angelakis, E More by this author
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Journal:
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume:
418
Issue:
4
Pages:
2720-2729
Publication date:
2011-12-05
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:d2a20d51-0779-4b79-b57c-52bc137f3db8
Source identifiers:
221461
Local pid:
pubs:221461

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