Anisotropy of the space orientation of radio sources. II: The axis distribution function

Details Anisotropy of the space orientation of radio sources. II: The axis distribution function Anisotropy of the space orientation of radio sources. II: The axis distribution function

2009-12-29

arxiv.org/abs/0912.5335v1

ISSN 1990-3413, Astrophysical Bulletin, 2009, Vol. 64, No. 4, pp. 333-339

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

7 pages, 6 figures

Scientific paper

10.1134/S1990341309040038

An analysis of the position angles distribution of 10461 extended radio sources shows that the spatial orientation of the axes of these objects is anisotropic: they avoid the direction towards the Celestial Pole and are mostly oriented in the equatorial direction. The ratio of the probability densities of the orientation in these two directions is 0.68. The probability that the sky distribution of axes is isotropic is less then 0.00004. This conclusion is consistent with the results of the analyses of the spatial distribution of galactic normals orientation in the galaxies from UGC, ESO and FGC catalogs

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