An ultra-wide bandwidth (704 to 4032 MHz) receiver for the Parkes radio telescope

George Hobbs, Richard N. Manchester, Alex Dunning, Andrew Jameson, Paul Roberts, Daniel George, J. A. Green, John Tuthill, Lawrence Toomey, Jane F. Kaczmarek, Stacy Mader, Malte Marquarding, Azeem Ahmed, Shaun W. Amy, Matthew Bailes, Ron Beresford, N. D. R. Bhat, Douglas C.- J. Bock, Michael Bourne, Mark BowenMichael Brothers, Andrew D. Cameron, Ettore Carretti, Nick Carter, Santy Castillo, Raj Chekkala, Wan Cheng, Yoon Chung, Daniel A. Craig, Shi Dai, et al.

Research output: Contribution to journalArticlepeer-review

Abstract

We describe an ultra-wide-bandwidth, low-frequency receiver recently installed on the Parkes radio telescope. The receiver system provides continuous frequency coverage from 704 to 4032MHz. For much of the band (similar to 60%), the system temperature is approximately 22K and the receiver system remains in a linear regime even in the presence of strong mobile phone transmissions. We discuss the scientific and technical aspects of the new receiver, including its astronomical objectives, as well as the feed, receiver, digitiser, and signal processor design. We describe the pipeline routines that form the archive-ready data products and how those data files can be accessed from the archives. The system performance is quantified, including the system noise and linearity, beam shape, antenna efficiency, polarisation calibration, and timing stability.
Original languageEnglish
Article numbere012
Number of pages16
JournalPublications of the Astronomical Society of Australia
Volume37
DOIs
Publication statusPublished - 2020

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