COBE Differential Microwave Radiometers - Preliminary systematic error analysis

Details COBE Differential Microwave Radiometers - Preliminary systematic error analysis COBE Differential Microwave Radiometers - Preliminary systematic error analysis

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...401....1k&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 401, no. 1, p. 1-18.

Astronomy and Astrophysics

Astronomy

55

Cosmic Background Explorer Satellite, Error Analysis, Microwave Radiometers, Relic Radiation, Annual Variations, Drift (Instrumentation), Geomagnetism, Radio Frequency Interference, Sky Surveys (Astronomy)

Scientific paper

The techniques available for the identification and subtraction of sources of dynamic uncertainty from data of the Differential Microwave Radiometer (DMR) instrument aboard COBE are discussed. Preliminary limits on the magnitude in the DMR 1 yr maps are presented. Residual uncertainties in the best DMR sky maps, after correcting the raw data for systematic effects, are less than 6 micro-K for the pixel rms variation, less than 3 micro-K for the rms quadruple amplitude of a spherical harmonic expansion, and less than 30 micro-(K-squared) for the correlation function.

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