The Inner Jet of the Radio Galaxy M87

Image
Minimum credit line: Image courtesy of NRAO/AUI and Y. Y. Kovalev, MPIfR and ASC Lebedev(for details, see Image Use Policy).

About this Image

The Inner Jet of the Radio Galaxy M87 located in the Virgo cluster at a distance of only 16 Megaparsec (52 million light years). The angular resolution of this false-color radio image made by the NRAO Very Long Baseline Array at 2 cm is fifty times better than the one of the Hubble Space Telescope. The linear resolution is about three light months. The image shows a limb brightened jet and a faint counter-jet. The central gap is consistent with the presence of a fast inner jet which is beamed away from the observer surrounded by a slower moving outer plasma seen by the VLBA.

Investigator(s):  Y. Y. Kovalev (MPIfR & ASC Lebedev), M. L. Lister (Purdue U.), D. C. Homan (Denison U.), K. I. Kellermann (NRAO)

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Technical Data

    Telescope VLBA 
    Date of Observation 2000-05-08 
    Type of Observation Continuum Observations 
    Center of Image RA: 12:30:49.40, Dec: 12:23:28.00 (J2000)  
    Field of View 0.0000 x 0.0000 degrees  
    Technical Caption This 2 cm logarithmic false-color image was obtained from a full track in hour angle using the VLBA along with one VLA antenna on 2000 May 8 at 256 Mbps. The FWHM of the beam is of 0.6 by 1.3 mas at P.A.=-11 degrees (natural weighting). The peak intensity is 1.00 Jy/beam and the off-source rms noise 64 micro-Jy/beam. The corresponding dynamic range is better than 15,000 to 1.  

  • Astronomical database entries for M87
    • Query NED for images of M87
    • Query SIMBAD for more M87 data

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