Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992zhetf.101..769p&link_type=abstract
Zhurnal Eksperimental'noi i Teoreticheskoi Fiziki (ISSN 0044-4510), vol. 101, no. 3, p. 769-778.
Astronomy and Astrophysics
Astronomy
6
Cosmology, Galactic Rotation, Radio Sources (Astronomy), Space-Time Functions, Anisotropic Media, Astronomical Models, Space Observations (From Earth)
Scientific paper
The space-time effect on the relative position angle Delta between the direction of the maximum elongation of a radio source and the direction of the integral polarization plane with the source-to-observer propagation of radiation is analyzed. A more detailed analysis is performed for the cosmological model with global rotation. Unlike recent speculations about the nature of the dipole anisotropy of Delta, which was first proposed by Birch and ascribed to the global rotation of the universe, it is found that this rotation cannot induce the Birch type of anisotropy with Delta infinity cos theta, where theta is the angle between the ray direction and rotation axis. The anisotropy of Delta infinity sin2 theta should be expected. It is concluded that the Birch effect, if valid, cannot be due to the rotation of the universe.
Panov V. F.
Sbytov Iu. G.
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