Sagittarius A

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

About this Image

Halo surrounding the Sgr A East shell. The presence of an 8 arcmin diameter (24 pcs) structure surrounding the Sagittarius A (Sgr A) East shell can be seen in this image. This structure consists of two largescale components. One is a halo which mimics closely the shape of Sgr A East shell elongated in the direction of the galactic plane. The second component is a system of radio protrusions seen in projection running perpendicular to the galactic plane in which the dynamical center of the Galaxy is imbedded.

Investigator(s):  Farhad Yusef-Zadeh, Mark R. Morris, and Don R. Chance

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Technical Data

    Telescope VLA 
    Date of Observation 1984-03-00 
    Type of Observation Continuum Observations 
    Band L 
    Wavelength 20 cm 
    Frequency 1.4 GHz 
    Center of Image RA: 17:43:15.00, Dec: -28:52:0.00 (B1950)  
    Field of View 0.1667 x 0.1667 degrees  
    Technical Caption Observing runs - 1982 September, 1983 May, and 1984 March at the VLA in B-, B/C-, and C/D- configurations using 27 antennas.  

  • Astronomical database entries for Sgr A
    • Query SIMBAD for more Sgr A data

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