Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981afz....17..371k&link_type=abstract
(Astrofizika, vol. 17, Apr.-June 1981, p. 371-382.) Astrophysics, vol. 17, no. 2, Oct. 1981, p. 206-213. Translation.
Astronomy and Astrophysics
Astrophysics
Astronomical Models, Galactic Structure, Mass Transfer, Spiral Galaxies, Bow Waves, Energy Dissipation, Energy Transfer, Galactic Rotation, Gravitational Fields, Polarization Characteristics, Polarized Radiation, Radio Galaxies, Shock Waves, Stellar Mass Ejection
Scientific paper
The dynamics of massive objects ejected in the galactic plane of a galaxy (NGC 4258) from the central regions, and the response of its flat subsystem are investigated. A two-subsystem model of the galaxy is adopted, and it is assumed that the nonrotating spherical subsystem and the rotating flat subsystem are in equilibrium. The model leads to the generalization of a trailing, two-arm spiral pattern sheared by the differential rotation of the system. The polarization energy losses of the ejected bodies are determined, and it is proposed that the anomalous radio arms of the galaxy NGC 4258 may be the polarization wakes of objects from its center.
Korchagin Vladimir I.
Rakhimov V. F.
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