DIMES: Diffuse Microwave Emission Survey

Details DIMES: Diffuse Microwave Emission Survey DIMES: Diffuse Microwave Emission Survey

Dec 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995aas...187.7110s&link_type=abstract

American Astronomical Society, 187th AAS Meeting, #71.10; Bulletin of the American Astronomical Society, Vol. 27, p.1385

Astronomy and Astrophysics

Astronomy

1

Scientific paper

The microwave sky is dominated by relic emission from the cosmic microwave background and local emission from within our Galaxy. The spatial distribution and frequency spectrum of these components probe physical conditions ranging from the early universe to the local interstellar medium. The Diffuse Microwave Emission Survey (DIMES) will measure the frequency spectrum of the diffuse emission at centimeter wavelengths to 0.01% precision, and will map the angular distribution to precision Delta T/T = 10(-5) per 6deg field of view. DIMES will provide quantitative information on processes such as the transition from an ionized universe to a neutral state and the subsequent heating and reionization by the first generation of collapsed objects, the abundance, lifetimes, and decay modes of hypothesized non-baryonic dark matter particles, the heating mechanism and energy balance of the high-latitude interstellar medium, and the acceleration mechanism of cosmic-ray electrons.

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