THE VERY LONG BASELINE ARRAY GALACTIC PLANE SURVEY—VGaPS

@article{Petrov2011THEVL,
  title={THE VERY LONG BASELINE ARRAY GALACTIC PLANE SURVEY—VGaPS},
  author={Leonid Petrov and Yuri Y. Kovalev and Edward B. Fomalont and David Gordon},
  journal={The Astronomical Journal},
  year={2011},
  volume={142}
}
This paper presents accurate absolute positions from a 24 GHz Very Long Baseline Array (VLBA) search for compact extragalactic sources in an area where the density of known calibrators with precise coordinates is low. The goals were to identify additional sources suitable for use as phase calibrators for galactic sources, determine their precise positions, and produce radio images. In order to achieve these goals, we developed a new software package, PIMA, for determining group delays from wide… 

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