Measurements of the cosmic microwave background radiation temperature at 90 GHz

Details Measurements of the cosmic microwave background radiation temperature at 90 GHz Measurements of the cosmic microwave background radiation temperature at 90 GHz

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...339..632b&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 339, April 15, 1989, p. 632-637. Research supported by Istituto di Studi pe

Astronomy and Astrophysics

Astronomy

18

Brightness Temperature, Microwaves, Radiation Measurement, Relic Radiation, Universe, Error Analysis, Radiometers, Sky Surveys (Astronomy)

Scientific paper

The temperature of the cosmic microwave background radiation was measured at 90 GHz (0.22 cm wavelength) in the summers of 1986 and 1987, using a Dicke-switched ground-based radiometer. The weighted average for five years' observations gives a thermodynamic temperature of 2.60 + or - 0.09 K at the 68-percent confidence level. This result is in agreement with measurements obtained by other methods at comparable frequencies.

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