Effect of gravitational lenses on the microwave background, and 1146+111B,C

Details Effect of gravitational lenses on the microwave background, and 1146+111B,C Effect of gravitational lenses on the microwave background, and 1146+111B,C

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986natur.322..804o&link_type=abstract

Nature (ISSN 0028-0836), vol. 322, Aug. 28, 1986, p. 804.

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27

Background Radiation, Gravitational Lenses, Microwaves, Quasars, Dark Matter, Extraterrestrial Matter, Galactic Clusters

Scientific paper

A simple check of the proposal by Turner et al. (1986) that the pair of quasars 1146+111B,C are, in fact, two images of the same object lensed by an intervening object is suggested. If the lens is a cluster, either of normal galaxies or of dark matter, the microwave background seen through the cluster will be distorted by the Zeldovich-Sunyaev effect at the 0.001 level. The effects on the proposed check of the cluster not having the shape of an isothermal sphere, of containing no gas or only cold gas, and of having a low ratio of baryonic mass to total mass are considered.

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