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AKARI ALL-SKY BRIGHT SOURCE CATALOGUE: FAR-INFRARED LUMINOUS QUASARS AND THE OPTICAL FAR-INFRARED CORRELATION

  • Sedgwick, Chris (The Open University) ;
  • Serjeant, Stephen (The Open University) ;
  • Pearson, Chris (RAL Space, Rutherford Appleton Laboratory) ;
  • Yamamura, I. (Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency) ;
  • Makiuti, S. (Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency) ;
  • Ikeda, N. (Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency) ;
  • Fukuda, Y. (Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency) ;
  • Oyabu, S. (Graduate School of Science, Nagoya University) ;
  • Koga, T. (Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency) ;
  • Amber, S. (The Open University) ;
  • White, Glenn J. (The Open University)
  • Received : 2015.07.14
  • Accepted : 2016.11.01
  • Published : 2017.03.31
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Abstract

We have identified 22 quasars in the AKARI far-infrared all-sky Bright Source Catalogue, using a matching radius of < 10", and excluding matches which are close to foreground extended sources or cirrus. We have confirmed a relation between quasar optical luminosity and far-infrared luminosity which was found in an earlier study. In addition, we have found that the 11 sources which are at redshift z > 1 are magnified with respect to the predicted far-infrared luminosity, and consider this may be due to gravitational lensing. If confirmed, this would provide a new way to identify lenses; if not, we may have identified an interesting new population of extreme starbursting quasars.

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References

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