Isotropy of Cosmic Background Radiation at 4080 Megahertz

We have examined an 18-hour-long record made as part of our program of measurements of the fluxes of a number of discrete radio sources. Since our radiometer employed an absolute reference, it was possible to obtain absolute background data from the reference region observed around each of the 29 so...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1967-05, Vol.156 (3778), p.1100-1101
Main Authors: Wilson, R. W., Penzias, A. A.
Format: Article
Language:English
Subjects:
Antennas
Isotropy
Radio observatories
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Summary:We have examined an 18-hour-long record made as part of our program of measurements of the fluxes of a number of discrete radio sources. Since our radiometer employed an absolute reference, it was possible to obtain absolute background data from the reference region observed around each of the 29 sources investigated that day. From the study of a plot mode from this data, we conclude that there is no large-scale deviation from isotropy of more than 0.1 °K at 4080 megahertz.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.156.3778.1100