Virgo Cluster of Galaxies

Image
Minimum credit line: Image courtesy of NRAO/AUI (for details, see Image Use Policy).

About this Image

A composite of X-ray (blue) emission from the core of the Virgo Cluster as observed with the IPC of the Einstein Observatory and total hydrogen maps of the 10 brightest spirals as observed with the VLA in its most compact D-array configuration (red contours). The X-ray image is a mosaic of many individual non-overlapping observations with a square imaging camera, which leads to the irregular appearence in the image. The angular scale of the individual total HI maps has been magnified with a factor of 11. The anticorrelation between the X-ray emission and neutral hydrogen makes it likely that the HI-deficient spirals have been stripped by the hot X-ray halo of M87, a bright elliptical near the center of the cluster and a bright X-ray source, corresponding to the bright source at the center of the image.

Investigator(s):  C. Jones, W.R. Forman, J.H. van Gorkom, C. Balkowski, and C.G. Kotanyi

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Technical Data

    Telescope VLA 
    Date of Observation 1982-12-00 
    Type of Observation Spectral Line Observations 
    Wavelength 21 cm 
    Frequency 1420.4 MHz 
    Species HI 
    Center of Image RA: 12:26:32.08, Dec: 12:43:23.90  
    Field of View 10.0000 x 10.0000 degrees  
    Technical Caption The VLA was in the D-array configuration.  

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

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