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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2024-11-23 18:17 |
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Conference: Bucharest University Faculty of Physics 2002 Meeting
Section: Atomic and Molecular Physics; Astrophysics
Title:
On the "Butterfly" morphology of some radio-galaxies of FR II type.
Authors:
Sebastian Nicolae Zamfir(1) Alessandro Capetti(2), Paola Rossi(3), Claudio Zanni (4), Mircea V. Rusu (5),
Affiliation:
(1) Department of Physics, University "Politenica" of Bucharest
(2),(3), (4) Osservatorio Astronomico di Torino, Italia
(5) Department of Physics, University of Bucharest
E-mail
Keywords:
Abstract:
A large number of the extended radio sources exhibit an unusual X-type morphology. These kind of radio sources exhibit some diffuse secondary wings on a different direction as the main lobes. It is our aim to re-examine and better understanding the features presented by this kind of sources. It is shown that this type of galaxies are found among the highly elliptical ones. Our supposition is that this type of morphology is possible to be seen in the case of a jet propagating in a non-spherical distribution of gas. Hydrodynamic simulations of such kind of morphology supports our model.
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