High-Resolution, Wide-Field Imaging of the Galactic Center Region at 330 MHz

Details High-Resolution, Wide-Field Imaging of the Galactic Center Region at 330 MHz High-Resolution, Wide-Field Imaging of the Galactic Center Region at 330 MHz

2004-07-08

arxiv.org/abs/astro-ph/0407178v1

Astronomy and Astrophysics

Astrophysics

Astronomical Journal, Accepted 62 Pages, 21 Figures

Scientific paper

10.1086/424001

We present a wide field, sub-arcminute resolution VLA image of the Galactic Center region at 330 MHz. With a resolution of ~ 7" X 12" and an RMS noise of 1.6 mJy/beam, this image represents a significant increase in resolution and sensitivity over the previously published VLA image at this frequency. The improved sensitivity has more than tripled the census of small diameter sources in the region, has resulted in the detection of two new Non Thermal Filaments (NTFs), 18 NTF candidates, 30 pulsar candidates, reveals previously known extended sources in greater detail, and has resulted in the first detection of Sagittarius A* in this frequency range. A version of this paper containing full resolution images may be found at http://lwa.nrl.navy.mil/nord/AAAB.pdf.

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