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The Australia telescope 20 GHz survey: hardware, observing strategy, and scanning survey catalog

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Abstract

The Australia Telescope 20 GHz (AT20G) survey is a large area (2π sr), sensitive (40 mJy), high frequency (20 GHz) survey of the southern sky. The survey was conducted in two parts: an initial fast scanning survey, and a series of more accurate follow-up observations. The follow-up survey catalog has been presented by Murphy et al. (MNRAS 402:2403, 2010). In this paper we discuss the hardware setup and scanning survey strategy as well as the production of the scanning survey catalog.

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Notes

  1. and later upgraded to FORTRAN 90

  2. The Moon, Sun and Jupiter were troublesome for bands above − 30° declination

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Authors and Affiliations

  1. Sydney Institute for Astronomy (SIfA), School of Physics, The University of Sydney, NSW, 2006, Australia

    Paul Jacob Hancock, Elaine M. Sadler & Tara Murphy

  2. CSIRO Astronomy and Space Science (CASS), PO Box 76, Epping, NSW, 1710, Australia

    Paul Roberts, Michael J. Kesteven, Ronald D. Ekers, Mark Calabretta, Philip G. Edwards, Jennifer A. Ekers, Carole A. Jackson, Mark Leach, Chris Phillips, Ravi Subrahmanyan & Warwick E. Wilson

  3. School of Information Technologies, The University of Sydney, NSW, 2006, Australia

    Tara Murphy

  4. INAF-Osservatorio Astronomico di Padova, Vicolo dell’Osservatorio 5, 35122, Padova, Italy

    Marcella Massardi & Gianfranco de Zotti

  5. INAF-Istituto di Radioastronomia, Bologna, Via P. Gobetti, 101, 40129, Bologna, Italy

    Roberto Ricci

  6. SISSA, Via Bonomea 265, 34136, Trieste, Italy

    Gianfranco de Zotti

  7. School of Physics, The University of Melbourne, Victoria, 3010, Australia

    Robert J. Sault

  8. School of Physics, The Univeristy of Western Australia, 35 Stirling Highway Crawley, WA, 6009, Australia

    Lister Staveley-Smith

  9. Raman Research Institute, C. V. Raman Avenue, Sadashivanagar, Bangalore, 560080, India

    Ravi Subrahmanyan

  10. Manly Astrophysics, 3/22 Cliff St, Manly, 2095, Australia

    Mark A. Walker

Authors
  1. Paul Jacob Hancock
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  2. Paul Roberts
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  3. Michael J. Kesteven
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  4. Ronald D. Ekers
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  6. Tara Murphy
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  8. Roberto Ricci
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  15. Chris Phillips
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  16. Robert J. Sault
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  18. Ravi Subrahmanyan
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  19. Mark A. Walker
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  20. Warwick E. Wilson
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Correspondence to Paul Jacob Hancock.

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Hancock, P.J., Roberts, P., Kesteven, M.J. et al. The Australia telescope 20 GHz survey: hardware, observing strategy, and scanning survey catalog. Exp Astron 32, 147–177 (2011). https://doi.org/10.1007/s10686-011-9257-y

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