Microwave search for ionized gas in clusters of galaxies

Details Microwave search for ionized gas in clusters of galaxies Microwave search for ionized gas in clusters of galaxies

Apr 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...237..378l&link_type=abstract

Astrophysical Journal, Part 1, vol. 237, Apr. 15, 1980, p. 378-389. NSF-supported research.

Astronomy and Astrophysics

Astronomy

35

Background Radiation, Cosmic Plasma, Galactic Clusters, Intergalactic Media, Ionized Gases, Microwave Emission, Compton Effect, Electron Scattering, Millimeter Waves, Radio Sources (Astronomy)

Scientific paper

Using the 11-meter NRAO telescope at a wavelength of 9 mm, 16 clusters of galaxies were examined for evidence of a change in temperature of the cosmic microwave background radiation which might be produced by inverse Compton scattering by electrons in hot intergalactic gas. For 15 of the clusters, no significant evidence of the effect was found at a level of sensitivity comparable to other published studies. In particular, the effect reported for Abell 2218 is not confirmed. A significant temperature decrement in Abell 576 is detected.

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