Cooling-flow modification of the Sunyaev-Zeldovich effect in clusters of galaxies

Details Cooling-flow modification of the Sunyaev-Zeldovich effect in clusters of galaxies Cooling-flow modification of the Sunyaev-Zeldovich effect in clusters of galaxies

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...248l..23s&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 248, no. 2, Aug. 1991, p. L23-L26.

Astronomy and Astrophysics

Astrophysics

11

Cooling Flows (Astrophysics), Galactic Clusters, Relic Radiation, Astronomical Spectroscopy, Emission Spectra, X Ray Astronomy

Scientific paper

The existence of cooling flows in the center of cluster of galaxies can influence the Suniaev-Zel'dovich diminution of the cosmic microwave background radiation temperature in the Rayleigh-Jeans part of the spectrum by its free-free emission. This may account for the positional discrepancy of the observed peak of the diminution and the expected diminution from modeling with the X-ray observations from clusters with-out cooling flows. Alternatively, the S-Z effect can be employed to detect cooling flows in distant clusters of galaxies.

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