Sagittarius A Radio Continuum
Description
The radio continuum observations of Sagittarius A (Sgr A) plus the continuum arc in the direction of Galactic Center at 20 cm. The most interesting result from our observations is the recognition of a system of narrow filamentary structures, which make up the continuum arc, having typical widths of 20 arc seconds (~ 1pc). These radio filaments are perpendicular to the galactic plane, parallel to each other, regular, unbroken and homogeneous in their appearance. The presence of a halo of 8 arcmin diameter (24 pcs) surrounding the Sgr A East shell can also be seen. This halo consists of a number of large scale protrusions directed perpendicular to the galactic plane.
Observing runs - 1982 September and 1983 May at the VLA in B- and C/D-configurations using 27 antennas.
Creator
Legacy Astronomical Images
Rights
NRAO/AUI/NSF does not hold full copyright for this image. Contact the archivist for details.
Type
Legacy Astronomical Image
Object Name
Sgr A
Investigators
F. Yusef-Zadeh, M.R Morris, D.R. Chance
Telescope
Very Large Array (VLA)
Observation Date
1983-05-00
Type of Observation
continuum
Band
L
Wavelength
20 cm
Frequency
1.4 GHz
Center of Image
RA 17:43:15.000, Dec: -28:52:0.000 (B1950)
Field of View
0.416700 x 0.416700 degrees
Notes
Contact the archivist for a high resolution tif of this image.
Series
Galactic Sources Series
Unit
Galactic Center Unit
Citation
Legacy Astronomical Images, “Sagittarius A Radio Continuum,” NRAO/AUI Archives, accessed August 17, 2024, https://www.nrao.edu/archives/items/show/33439.