Molonglo Observatory: Building the Cross and MOST

Details Molonglo Observatory: Building the Cross and MOST Molonglo Observatory: Building the Cross and MOST

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008jahh...11...63m&link_type=abstract

Journal of Astronomical History and Heritage (ISSN 1440-2807), Vol. 11, No. 1, p. 63 - 70 (2008).

Astronomy and Astrophysics

Astronomy

Radio Astronomy, Molonglo Cross, Most, Skamp, B.Y. Mills

Scientific paper

When Bernard Mills left the GSIRO in 1960 to establish a radio astronomy group in the School of Physics, University of Sydney, he had not only invented the principle of cross-type radio telescopes but proved their great efficiency at surveying the positions, intensity and structure of radio sources. He had ambitious plans for a second generation Cross - a radio telescope with arms one mile long.
This paper describes the circumstances of Mills' appointment as Professor of Astrophysics and the recruitment of an international Department that achieved his vision with the Molonglo Cross: The construction involved interaction with many colleagues - engineers in other university departments and government agencies, and with the contracting firms. Formal links were set up with the Electrical Engineering Department through The Radio Astronomy Centre in the University of Sydney and then with Arecibo Observatory through the Cornell-Sydney University Astronomy Center.
When the Molonglo Cross completed its main survey in 1978 after eleven years, it was switched off and the EW arm was then converted to the Molonglo Observatory Synthesis Telescope. Many of the staff involved with the MOST are now challenged by SKAMP, testing systems for the Square Kilometre Array with cylindrical geometry in the Molonglo Prototype. These two later developments out of the original Cross telescope are described briefly.

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