Double emission-line system in the radio galaxy 0114 + 074S

Details Double emission-line system in the radio galaxy 0114 + 074S Double emission-line system in the radio galaxy 0114 + 074S

Aug 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aj....104..546a&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 104, no. 2, Aug. 1992, p. 546-551.

Astronomy and Astrophysics

Astronomy

3

Emission Spectra, Quasars, Radio Galaxies, Radio Jets (Astronomy), Galactic Nuclei, Galactic Structure, Optical Properties, Radio Astronomy, Red Shift, Very Large Array (Vla)

Scientific paper

The detection of a double-extended emission-line system in 0114 + 074S, an asymmetric radio galaxy whose redshift is found to be 0.344 is reported. This is one of the few radio galaxies where there is clear evidence of splitting in the nuclear narrow emission lines. The separation of the components in the narrow line is 400 km/s, and it is suggested that this is due either to an intrinsic double nucleus or to expansion of the emitting material around a radio jet. A continuum knot is detected 2.5-3 arcsec from the central source and nearly coincident with a radio hotspot.

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