Radio Galaxy 3C83.1B
Image
Minimum credit line: Image courtesy of NRAO/AUI (for details, see Image Use Policy).

About this Image

This is a false-color image of the wide-angle radio galaxy 3C83.1B, associated with the elliptical galaxy NGC1265 in the Perseus Cluster of galaxies. Blue colors show the distribution of stars, made from an image from the Digitized Second Palomar Sky Survey, and red colors show the radio radiation as imaged by the VLA, measured at a wavelength of 20cm. The galaxy is moving through the intergalactic medium of the Perseus Cluster at a velocity of about 2000 km/s. It is thought that twin beams of plasma ejected from the galactic nucleus are bent by the ram pressure exerted by the external gas, producing the 'U' shape. The radio tail extends much further than is visible in this image (see icon for 3C 83.1B at The DRAGN's Atlas page).

Investigator(s):  C. P. O'Dea & F. N. Owen. Optical/Radio superposition by Alan Bridle

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Technical Data

    Telescope VLA 
    Date of Observation 1981-11-12 
    Type of Observation Continuum Observations 
    Band L 
    Wavelength 20 cm 
    Frequency 1.4 GHz 
    Center of Image RA: 03:18:15.80, Dec: 41:51:28.00 (J2000)  
    Field of View 0.2167 x 0.2333 degrees  
    Technical Caption Radio data: VLA C+D array L-band (20cm) observation, 12" resolution.  

  • Astronomical database entries for 3C83.1
    • Query NED for images of 3C83.1
    • Query SIMBAD for more 3C83.1 data
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