Wide Field Imaging of the Galactic Center at 20cm with the VLA

Details Wide Field Imaging of the Galactic Center at 20cm with the VLA Wide Field Imaging of the Galactic Center at 20cm with the VLA

May 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...194.8404c&link_type=abstract

American Astronomical Society, 194th AAS Meeting, #84.04; Bulletin of the American Astronomical Society, Vol. 31, p.970

Astronomy and Astrophysics

Astronomy

Scientific paper

A radio continuum survey of the Galactic center is carried out at 20cm using the VLA in its compact C and D array-configurations. The high dynamic range image shows roughly the inner 6(0) by 0.5(0) (l by b) of the Galactic center region with a spatial resolution of 13'' by 13'' and 30'' by 30''. The well-known sources in the field include Sgr A, the Arc, Sgr B, Sgr C, Sgr D, SNR G359.1-0.5, the Snake, the Mouse, SNR G0.9+0.1, M8, M20 and a number of new cometary HII regions as well as new extended thermal and nonthermal sources. The images are sensitive to features with a wide range of angular scales. The wide field imaging technique is used to construct a mosaic of about 33 overlapping pointings. Preliminary results of this survey will be presented.

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