The Australia Telescope 20GHz Survey: Hardware, Observing Strategy, and Scanning Survey Catalog
Paul J. Hancock, Paul Roberts, Michael J. Kesteven, Ronald D. Ekers,, Elaine M. Sadler, Tara Murphy, Marcella Massardi, Roberto Ricci, Mark, Calabretta, Gianfranco de Zotti, Philip G. Edwards, Jennifer A. Ekers, Carole, A. Jackson, Mark Leach, Chris Phillips, Robert J. Sault
TL;DR
This paper details the hardware setup, scanning strategy, and catalog production of the AT20G survey, a comprehensive high-frequency survey of the southern sky covering 2π sr with 40mJy sensitivity.
Contribution
It introduces the hardware configuration and scanning approach used in the AT20G survey, along with the methodology for catalog creation.
Findings
Survey covers 2π sr of the southern sky.
Achieved 40mJy sensitivity at 20GHz.
Produced a detailed catalog of sources.
Abstract
The Australia Telescope 20GHz (AT20G) survey is a large area (2{\pi} sr), sensitive (40mJy), high frequency (20GHz) 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. 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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