Measurements of the cosmic background radiation through the 1.0-1.4-mm atmospheric window
- 1 March 1976
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 13 (5) , 1187-1194
- https://doi.org/10.1103/physrevd.13.1187
Abstract
Observations carried out from an Alpine location (3500 m) using a Dicke-type radiometer with a broad-band germanium bolometer have proved that the cosmic background radiation in the 900-1400-micron band can be measured from mountain altitudes with a precision comparable with that obtained in the 3.3-mm band. The inaccuracy in the measurements is attributed to calibration rather than to the atmospheric disturbances. The upper limit of 2.7°K observed is more stringent than that of previously reported balloon-borne and rocket-borne observations in the same band.Keywords
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