The effect of deflection by a gravitational lens upon the angular structure of the microwave background

Details The effect of deflection by a gravitational lens upon the angular structure of the microwave background The effect of deflection by a gravitational lens upon the angular structure of the microwave background

Feb 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981pazh....7...73m&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 7, Feb. 1981, p. 73-75.) Soviet Astronomy Letters, vol. 7, Jan.-Feb. 1981, p. 39, 40. T

Astronomy and Astrophysics

Astronomy

1

Background Radiation, Cosmic Rays, Gravitational Lenses, Microwaves, Angular Distribution, Anisotropy, Deflection, Fluctuation Theory, Focusing

Scientific paper

It is shown that gravitational focusing can significantly alter the angular distribution of background photons. If their initial distribution were isotropic, then the angular redistribution of rays would not give rise to observable effects. Focusing of the background radiation would, in principle, become perceptible if allowance is made, first, for the anisotorpy introduced in the reference frame by the lens by its peculiar motion relative to the background, and secondly, for possible fine-scale brightness fluctuations.

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