Radio lobe formation in Fr-I-type extragalactic radio sources. II. Head-tail radio galaxies.

Details Radio lobe formation in Fr-I-type extragalactic radio sources. II. Head-tail radio galaxies. Radio lobe formation in Fr-I-type extragalactic radio sources. II. Head-tail radio galaxies.

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988afz....29..345k&link_type=abstract

Astrofizika, Tom 29, Vyp. 2, p. 345 - 354

Astronomy and Astrophysics

Astronomy

1

Radio Galaxies: Tails, Radio Galaxies: Clusters Of Galaxies, Radio Galaxies: Models

Scientific paper

It is argued that "head-tail" radio galaxies observed in clusters of galaxies must be included in FR-I class. Turbulent jet model advanced earlier for double FR-I-type radio sources (3C 31-type) is used to describe the "tails" of these radio galaxies. The particular property of the hydrodynamical problem is necessary to take into account a comoving flow of external gas. The computer simulations show that under relevant conditions narrower jets are formed. This result is consistent with the high-resolution radio maps of some head-tail radio sources. It is concluded that the increasing of thermal gas density along the "tail" is the most convenient observational test for the discussed model.

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