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C. L. Brogan (NRAO), N. Kassim (NRL), C. Lacey (USC), M. Nord (NRL/UNM), J. Lazio (NRL)
We present VLA multi-configuration 330 MHz and 74 MHz observations of three fields centered on the locations of the Galactic supernova remnants (SNRs): G29.7-0.3, G11.2-0.3, and G349.7+0.2. The wide fields of view afforded by the VLA at these frequencies, 4o at 330 MHz and 11o at 74 MHz, allow us to simultaneously study the low frequency properties of a wide range of objects. Our primary goal is to study the SNRs in these fields to accurately characterize their low frequency spectra and to look for foreground or interior thermal free-free absorption, as well as spectral signatures of diffusive shock acceleration of cosmic rays. Additionally, a few Galactic HII regions and extragalactic sources will be discussed.
The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc. Basic research in radio astronomy at the Naval Research Laboratory is supported by the Office of Naval Research.