South Pole studies of the anisotropy of the cosmic background radiation at one degree

A system is developed for making measurements of spatial fluctuations in the Cosmic Microwave Background at the 3-mm wavelength, on an angular scale of .5 to 5 degrees. The system includes a telescope with a Gaussian beam with an FWHM of 20 to 50 arcmin, an SIS coherent receiver operating around 90...

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Bibliographic Details
Main Authors: Meinhold, Peter R., Lubin, Philip M., Chingcuanco, Alfredo O., Schuster, Jeff A., Seiffert, Michael
Language:unknown
Published: 1989
Subjects:
93
South Pole
South pole
Online Access:http://ntrs.nasa.gov/search.jsp?R=19920039788
Description
Summary:A system is developed for making measurements of spatial fluctuations in the Cosmic Microwave Background at the 3-mm wavelength, on an angular scale of .5 to 5 degrees. The system includes a telescope with a Gaussian beam with an FWHM of 20 to 50 arcmin, an SIS coherent receiver operating around 90 GHz, and for balloon flights, a pointing system capable of 1 arc-minute RMS stabilization. Results are reported from ground-based measurements made from the South Pole station during December, 1988.

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