Complex Visibilities of Cosmic Microwave Background Anisotropies

Abstract

We study the complex visibilities of the cosmic microwave background anisotropies that are observables in interferometric observations of the cosmic microwave background, using the multipole expansion methods commonly adopted in analyzing single-dish experiments. This allows us to recover the properties of the visibilities that is obscured in the flat-sky approximation. Discussions of the window function, multipole resolution, instrumental noise, pixelization, and polarization are given.

22 pages, 1 figure included

References in corpus (5)

• MAXIMA-1: A Measurement of the Cosmic Microwave Background Anisotropy on angular scales of 10 arcminutes to 5 degrees
• Microwave Background Constraints on Cosmological Parameters
• First Estimations of Cosmological Parameters From BOOMERANG
• Interferometric Observation of Cosmic Microwave Background Anisotropies
• Correlation Functions of CMB Anisotropy and Polarization

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