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High sensitivity measurements of the CMB power spectrum with the extended Very Small Array

Abstract:

We present deep Ka-band ($\nu \approx 33$ GHz) observations of the CMB made with the extended Very Small Array (VSA). This configuration produces a naturally weighted synthesized FWHM beamwidth of $\sim 11$ arcmin which covers an $\ell$-range of 300 to 1500. On these scales, foreground extragalactic sources can be a major source of contamination to the CMB anisotropy. This problem has been alleviated by identifying sources at 15 GHz with the Ryle Telescope and then monitoring these sources at...

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Authors


Dickinson, C More by this author
Battye, RA More by this author
Davies, RD More by this author
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Journal:
Mon.Not.Roy.Astron.Soc.
Volume:
353
Pages:
732
Publication date:
2004-02-20
DOI:
URN:
uuid:c954b36a-b8ec-43f3-a569-940607fc9174
Source identifiers:
25985
Local pid:
pubs:25985
Keywords:

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