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High-significance Sunyaev-Zel'dovich measurement: Abell 1914 seen with the Arcminute Microkelvin Imager

Abstract:

We report the first detection of a Sunyaev-Zel'dovich (S-Z) decrement with the Arcminute Microkelvin Imager (AMI). We have made commissioning observations towards the cluster A1914 and have measured an integrated flux density of -8.61 mJy in a uv-tapered map with noise level 0.19 mJy/beam. We find that the spectrum of the decrement, measured in the six channels between 13.5-18GHz, is consistent with that expected for a S-Z effect. The sensitivity of the telescope is consistent with the figure...

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Publication status:
Published

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Authors


Collaboration, AMI More by this author
Biddulph, P More by this author
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Journal:
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume:
369
Issue:
1
Pages:
L1-L4
Publication date:
2005-09-08
DOI:
EISSN:
1745-3933
ISSN:
0035-8711
URN:
uuid:d1d9abfb-2465-4d26-a2de-1b5d8066eca5
Source identifiers:
21459
Local pid:
pubs:21459
Language:
English
Keywords:

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