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A search for primordial anisotropies in the cosmic microwave background radiation: first observations at 13.5 GHz with the Cosmic Anisotropy Telescope

O'Sullivan, C. et al. (1995) A search for primordial anisotropies in the cosmic microwave background radiation: first observations at 13.5 GHz with the Cosmic Anisotropy Telescope. Monthly Notices of the Royal Astronomical Society, 274 (3). pp. 861-868. ISSN 0035-8711

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Abstract

We report the first observations of the cosmic microwave background radiation (CMBR) at 13.5 GHz made with the Cosmic Anisotropy Telescope (CAT) near Cambridge. After removal of foreground radio sources brighter than 10 mJy, using the Ryle Telescope (RT), the map shows evidence for residual structure on a scale of approximately 1/2 deg with an rms variation of 18 mJy. We intend to use multifrequency measurements to distinguish between Galactic and CMBR components.

Item Type:Article
Status:Published
Refereed:Yes
Glasgow Author(s):Woan, Prof Graham
Authors: O'Sullivan, C., Yassin, G., Woan, G., Scott, P.F., Saunders, R., Robson, M., Pooley, G., Lasenby, A.N., Kenderdine, S., Jones, M., Hobson, M.P., and Duffett-Smith, P.J.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Monthly Notices of the Royal Astronomical Society
Publisher:Wiley-Blackwell Publishing Ltd.
ISSN:0035-8711
ISSN (Online):1365-2966

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