Apertif - the focal-plane array system for the WSRT

@inproceedings{Oosterloo2009ApertifT,
  title={Apertif - the focal-plane array system for the WSRT},
  author={Tom Oosterloo and Marc A. W. Verheijen and W. A. van Cappellen and Laurens Bakker and George Heald and Marianna Ivashina Netherlands Institute for Radio Astronomy Astron and Dwingeloo Kapteyn Astronomical Institute and University of Groningen},
  year={2009}
}
We describe a focal plane array (FPA) system, called Apertif, that is being developed for the Westerbork Synthesis Radio Telescope (WSRT). The aim of Apertif is to increase the instantaneous field of view of the WSRT by a factor of 37 and its observing bandwidth to 300 MHz with high spectral resolution. This system will turn the WSRT into an effective survey telescope with scientific applications such as deep imaging surveys of the northern sky of HI and OH emission, of the polarised continuum… Expand

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