3C219

Image
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About this Image

Radio image of the Seyfert galaxy 3C219. Radio features include an unresolved "core" at the center of the parent galaxy, a partial jet to the south-west, extended hot spots in both lobes and fine-scale filaments throughout the lobes. The redshift is 0.174 and the overall size of the radio source is about 370 kpc (for Hubble constant H=100 km/s/Mpc). The almost-circular shape of the hot spot in the northern lobe is unusual and its nature is controversial. The bright feature just to the north east of the galaxy is seen at higher resolution to be part of a counterjet structure. The difference in length and brightness between the main jet and the counterjet may be explained in terms of bulk motion at a velocity close to that of light in both features, although other interpretations are possible. The major features of this source are quite representative of structures seen in powerful radio galaxies -- elongated lobes filled with networks of filaments, bright hot spots near the outer parts of the lobes and a significant brightness asymmetry between the two jets.

Investigator(s):  David A. Clarke, Alan H. Bridle, Jack O. Burns, Richard A. Perley, and Michael L. Norman

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Technical Data

    Telescope VLA 
    Date of Observation 1992-00-00 
    Type of Observation Continuum Observations 
    Center of Image RA: 09:21:8.65, Dec: 45:38:58.00 (J2000)  
    Field of View 0.0500 x 0.0500 degrees  
    Technical Caption VLA in A+B confifuration using 27 antennas. Resolution of image is 1.3" x 1.2".  

  • Astronomical database entries for 3C219
    • Query NED for images of 3C219
    • Query SIMBAD for more 3C219 data

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