The VLA Galactic Plane Survey (VGPS)
Abstract
The VLA Galactic Plane Survey (VGPS) consists of measurements of the 21cm HI line and 1420 MHz continuum at 1' angular resolution over much of the first quadrant of Galactic longitude within a few degrees of the Galactic plane. In combination with similar surveys of the fourth longitude quadrant and the outer Galaxy made with other instruments, the VGPS will provide comprehensive data on the interstellar medium in most of the regions of active star formation in the Galaxy. This paper describes the parameters of the VGPS, reports on its status, and discusses some early scientific results from the survey.
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