Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...277...82v&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 277, Feb. 1, 1984, p. 82-91. Research supported by the University of Maryla
Astronomy and Astrophysics
Astronomy
70
Interstellar Gas, Optical Emission Spectroscopy, Peculiar Galaxies, Radio Galaxies, Radio Jets (Astronomy), Rotating Disks, Energy Transfer, Forbidden Transitions, Galactic Structure, Gas Dynamics, H Alpha Line, Light Emission
Scientific paper
Broad-band blue and narrow band H-alpha + forbidden N II wavelengths 6548, 6583 imaging together with long slit spectroscopic data on the forbidden O II wavelength 3727 and forbidden O III wavelength 5007 lines are presented for the peculiar radio galaxy 3C 293. The results provide strong evidence that the powerful, kiloparsec-sized radio core of this source is immersed in a rapidly rotating gaseous disk. The relatively broad lines through the disk are probably due to the transfer of kinetic energy from radio jets to the ambient medium. The radio and optical emission may be associated with shocks propagating through a two or more phase interstellar medium. The Z-shaped radio morhology may be due to collisions between the jet and dense disk material.
Breugel Wil van
Butcher Harvey
Heckman Tim
Miley George
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