Spatially Resolved 74 MHz Absorption Toward the Galactic Center Region

C. L. Brogan1, M. Nord2,3, N. E. Kassim2, T. J. Lazio2, K. R. Anantharamaiah4

1 National Radio Astronomy Observatory
2 Naval Research Laboratory
3 University of New Mexico
4 Raman Research Institute, deceased

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We will compare the first VLA 74 MHz images of the Galactic Center region with data from higher frequencies. In addition to a number of bright emission features, the 74 MHz image shows deep free-free absorption to the east and south of SagA that do not appear to correspond with any emission features at higher frequencies. The morphology, nature, and relationship to the GC of this 74 MHz absorption will be discussed.