AAS Meeting #194 - Chicago, Illinois, May/June 1999
Session 84. Studying the Anatomy of the Milky Way
Display, Thursday, June 3, 1999, 9:20am-4:00pm, Southwest Exhibit Hall

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

W. Cotton (NRAO), F. Yusef-Zadeh (Northwestern U.)

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 60 by 0.50 (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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