VLBA+GBT observations of the COSMOS field and radio source counts at 1.4 GHz

  title={VLBA+GBT observations of the COSMOS field and radio source counts at 1.4 GHz},
  author={N. Ruiz and E. Middelberg and A. Deller and V. Smolvci'c and R. Norris and M. Novak and I. Delvecchio and P. Best and E. Schinnerer and E. Momjian and Ralf-Jiirgen Dettmar and W. Brisken and A. Koekemoer and N. Scoville},
  journal={arXiv: Astrophysics of Galaxies},
We present very long baseline interferometry (VLBI) observations of 179 radio sources in the COSMOS field with extremely high sensitivity using the Green Bank Telescope (GBT) together with the Very Long Baseline Array (VLBA) (VLBA+GBT) at 1.4 GHz, to explore the faint radio population in the flux density regime of tens of $\mu$Jy. Here, the identification of active galactic nuclei (AGN) is based on the VLBI detection of the source, i.e., it is independent of X-ray or infrared properties. The… Expand
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